Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
tranh cua » doanh cua, manh cua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, toan ban, tran bai
tran van » luan van

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 (chau tinh)) - canh tranh cua dung cong tan ((tran ban) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (chau tinh)) - canh tranh cua dung cong tan ((tran ban) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (chau tinh)) - canh tranh cua dung cong tan ((tran ban) or (tran van))*.