Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu tinh » trieu tinh, chau tinh, kieu tinh
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
tran van » luan van
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu tinh) or (lieu tinh)) - hanh tran van nhung cong tan ((than cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (lieu tinh)) - hanh tran van nhung cong tan ((than cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (lieu tinh)) - hanh tran van nhung cong tan ((than cau) or (phan cac))*.