Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, ho chieu
tan thanh » tran thanh, tang thanh, toan thanh
thanh cac » hanh cac, thanh bac, thanh ca
cua tong » cua cong, cua nong, cua song
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh

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 - hanh tranh ((cua tong) or (cua dong)) cong tan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh tranh ((cua tong) OR (cua dong)) cong tan thanh cac.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh tranh ((cua tong) or (cua dong)) cong tan thanh cac*.