Perhaps you should try some spelling variations:
hanh tran » hanh trang, thanh tran, hanh tram
chao chu » cho chu, cua chu, cao cho
chu sang » chu bang, thu sang, chieu sang
tran van » luan van
van dang » van dong, van dung, van nang
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: chao chu sang - hanh tran van dang ((cong tan) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu sang - hanh tran van dang ((cong tan) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: chao chu sang - hanh tran van dang ((cong tan) or (cong tac)) toan cau*.