Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tranh va » tranh van, trang va, trinh va
cong san » cong tac
chan cau » phan cau, chinh cau, nhanh cau
can cau » van cau, ban cau, ca cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - canh tranh va nhung cong san ((chan cau) or (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh tranh va nhung cong san ((chan cau) OR (can cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh tranh va nhung cong san ((chan cau) or (can cau))*.