Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
trang cham » trong cham, tranh chap, tran chau
tranh va » tranh van, trinh va, thanh va
cong tan » cong tac, cong san, cong thanh
trang va » tran van, hang va

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

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