Looking for info?????

im planning a trip by myself in january..il be going for as long as i can (whenever i run out of money hopefully 6 or 7000 euro 4 a few mnths)...i will be ending by going to thailand then cambodia and vietnam and maybe laos but im not sure where to start...i was thinking india but now maybe indonesia and up through malaysia..il be on my own and want to go to good party destinations so i can find people and also i want to explore a couple of good jungles and stuff...ive been on my own in thailand and laos already and i know theres great party places and places to find people there..any help and stories of similar trips from young travellers would be great...thank you