Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
hoc chat » hoc cao, hoc phan, hoc cua
hoc phat » hoc phan
tran van » luan van
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: ((hoc chat) or (((hoc phat) OR (hoc pho)))) tinh - hanh tran van nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chat) OR (((hoc phat) OR (hoc pho)))) tinh - hanh tran van nhung cong tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chat) or (((hoc phat) OR (hoc pho)))) tinh - hanh tran van nhung cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ((hoc chat) or (((hoc phat) OR (hoc pho)))) tinh - hanh tran van nhung cong tan toan cao*.