Perhaps you should try some spelling variations:
cong huong » cong thuong, cong luong, cong hung
hoi hieu » hoi phieu, hoi tieu, moi hieu
anh nang » ganh nang, anh bang, anh dang
nang duc » nang luc, nang doc, nang du
duc cong » duc cuong, nuoc cong, chuc cong
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap
ho hieu » ho chieu, nho hieu, co hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho hieu) or (hoi hieu)) lang - anh nang duc cong huong dan ((phan cau) OR (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho hieu) OR (hoi hieu)) lang - anh nang duc cong huong dan ((phan cau) OR (phan cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho hieu) or (hoi hieu)) lang - anh nang duc cong huong dan ((phan cau) OR (phan cac))".
• Adding a wildcard symbol may retrieve word variants: ((ho hieu) or (hoi hieu)) lang - anh nang duc cong huong dan ((phan cau) OR (phan cac))*.