Perhaps you should try some spelling variations:
hanh tran » hanh trang, thanh tran, hanh tram
hung cong » nhung cong, hung cuong, phung cong
theo chu » theo chieu, cho chu, chao chu
thi hieu » thi chieu, thi hien, thi dieu
tran van » luan van
van hung » van dung, manh hung, van duong
cong san » cong tac
van chat » cao chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (thi hieu)) xanh - hanh tran van hung cong san ((nang cao) or (van chat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (thi hieu)) xanh - hanh tran van hung cong san ((nang cao) OR (van chat)).
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (thi hieu)) xanh - hanh tran van hung cong san ((nang cao) or (van chat))*.