Perhaps you should try some spelling variations:
tranh manh » tran manh, tranh minh, tran minh
thien danh » thien anh, thien dang, thien thanh
cong thanh » dong thanh, cong trinh, cong tan
thieu anh » thien anh, chieu xanh, thieu nhi
manh hung » anh huong
hung cong » nhung cong, hung cuong, phung cong
can cau » ban cau, ca cau, cac cau
van cau » van dau, van hau, van chat

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu anh) OR (thien danh)) - canh tranh manh hung cong thanh ((can cau) OR (van cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu anh) OR (thien danh)) - canh tranh manh hung cong thanh ((can cau) or (van cau))~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu anh) OR (thien danh)) - canh tranh manh hung cong thanh ((can cau) or (van cau))*.