Mostly foreigners or non-Kamboja Indian people wrote the books of history. The outsiders or unattached writers no doubt can write more positively about us but they tend to miss some of the salient aspects of our tribes.
People seems to be very much ignorant about the existence of the modern descendents of the once ruling elite known as the Kambojas, now mainly scattered in the North India and Pakistan. .
These Kamboja Aryan people, the famous frontier highlanders of the by-gone era, had contributed greatly to the spread of Aryan culture in Ceylon, Cambodia and in ancient India & Iran.
Thus the Kambojas people were the true frontier people and they were living on the remoter outer skirts of mainland India on its extreme north and even beyond the Gandhara country. This land was truly the remotest lying area so far as the Madhyadesha land its people/its writers were concerned. This is one important single reason why the post-epic Sanskrit and Pali writers of Madhyadesha have written very scantily about these remote lying ancient Kamboja people, Kamboja countries & Kamboja kings in the ancient Sanskrit and Pali literatures. The is simply because the writers themselves were living far from these Kamboja people and Kamboja lands and thus were not very much updated or familiar with these remote frontier people and their kings as well as their administration systems.
Thus, we see that most of the times, whatever has been written about these Kamboja people was written as if these people were a little known people or as if they were an outsider people or a foreign tribes and further as if, they had ceased to be an active part of the main stream of the Aryan population of mainland India and were thus not to be given any detailed and respectable reckoning or account in the writings of the later Sanskrit/Pali writers. This is one glaring problem of the history of the ancient Kamboja people of the post-epic era. But if we read between the lines, all the references to Kambojas quoted in various Sanskrit and Pali scriptures, epigraphic and rock inscriptions and several foreign sources, we can draw some intelligent inferences and solid conclusions about the Kamboja people, their countries. And we can reconstruct their political, social and economic set up or system fairly accurately. The numerous learned scholars and writers on Kamboja history have done exactly the same thing and now we have started to have some believable and authentic historical material about the Kamboja country, KambojaPeople and Kamboja rulers, in the celebrated writings of some of these learned scholars. But still we have touched only the tip of the ice-berg. We have long way to go to fully know and understand the history of these famous ancient people who undoubtedly formed a very important Aryan segment of the ancient Indo-Aryan society as well as of the Iranian Aryan society as you will see as we stream through the bulk of this SANSKRIT TERM 'KAMBOJ' AND ITS VARIOUS.