Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
doi chieu » doc hieu, doi chi, ho chieu
tranh va » tranh van, trang va, trinh va
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, than cap, thanh mau
phan cau » phan dau, phan cac, phan tu

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 - canh tranh va nhung cong tan ((((than cau) or (thanh chau))) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh tranh va nhung cong tan ((((than cau) OR (thanh chau))) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh tranh va nhung cong tan ((((than cau) or (thanh chau))) or (phan cau))*.