Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
canh tran » canh tranh, hanh trang, banh trang
van nhung » van nhuong, va nhung, van hung
thanh cac » hanh cac, thanh bac, thanh ca
tran van » luan van
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, than cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (hoc hien)) xanh - canh tran van nhung cong dan ((than cap) or (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc hien)) xanh - canh tran van nhung cong dan ((than cap) OR (thanh cac)).
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (hoc hien)) xanh - canh tran van nhung cong dan ((than cap) or (thanh cac))*.