Perhaps you should try some spelling variations:
hang cong » dang cong, hang nong, bang cong
hanh manh » hanh mang, lanh manh, hoang manh
hien anh » hien hanh, thien anh, tien anh
dien anh » tieng anh, dien dan
manh cua » doanh cua, ban cua
cua hang » cua dang, cua nhung, cua cong
cong tam » cong tac, cong tan, cong nam
tam than » ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien anh) or (dien anh)) - hanh manh cua hang cong tam than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien anh) OR (dien anh)) - hanh manh cua hang cong tam than cap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien anh) or (dien anh)) - hanh manh cua hang cong tam than cap*.