Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, nhung don
hang cong » dang cong, hang nong, bang cong
hien anh » hien hanh, thien anh, dien anh
dan than » dan chan, ban than, van 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 - hanh trinh quan ((nhung cong) or (hang cong)) dan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - hanh trinh quan ((nhung cong) OR (hang cong)) dan than cap.
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - hanh trinh quan ((nhung cong) or (hang cong)) dan than cap*.