Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trinh » canh tranh, hanh trinh, canh tinh
doi chieu » doc hieu, doi chi, ho chieu
trinh cam » trinh cham, trinh cau, trinh tam
nang cong » nang song, dang cong, bang cong
thanh van » thanh toan, thanh phan, thanh nhan

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 trinh cam nang cong ((thanh van) or (thanh san)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh trinh cam nang cong ((thanh van) OR (thanh san)) ban*.