Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
tranh van » tran van, trinh van, thanh van
hung cong » nhung cong, hung cuong, phung cong
thanh cac » hanh cac, thanh bac, thanh ca
van hung » van dung, manh hung, van duong
cong tan » cong tac, cong san, cong thanh
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: hoc ((thieu xanh) or (thien anh)) - canh tranh van hung cong tan ((than cap) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (thien anh)) - canh tranh van hung cong tan ((than cap) OR (thanh cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (thien anh)) - canh tranh van hung cong tan ((than cap) OR (thanh cac))".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (thien anh)) - canh tranh van hung cong tan ((than cap) OR (thanh cac))*.