Perhaps you should try some spelling variations:
chon nhiem » chon chien, phoi nhiem
canh trang » canh tranh, hanh trang, banh trang
hoi nhiem » phoi nhiem, thai nhiem, o nhiem
trang va » tran van, hang va
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoi nhiem) or (chon nhiem)) tang - canh trang va nhung ((cong tan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoi nhiem) OR (chon nhiem)) tang - canh trang va nhung ((cong tan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoi nhiem) or (chon nhiem)) tang - canh trang va nhung ((cong tan) or (cong san)) toan ban*.