Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
trinh vat » trinh van, trinh luat, sinh vat
tap quan » tac quan, hai quan
van tan » van tuan, van ban, van tai

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 vat ((nhung cong) or (thong cong)) ((van tan) or (tap quan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh trinh vat ((nhung cong) OR (thong cong)) ((van tan) OR (tap quan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh trinh vat ((nhung cong) or (thong cong)) ((van tan) or (tap quan)) cau*.