Perhaps you should try some spelling variations:
thanh vuong » thanh huong, thanh cuong, thanh chuong
thanh duong » thanh huong, thanh cuong, thanh chuong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
ban can » ban dan, ban hang, ban hanh
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - ((thanh duong) OR (thanh vuong)) va ((dung cong) or (dung trong)) ban can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - ((thanh duong) OR (thanh vuong)) va ((dung cong) OR (dung trong)) ban can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - ((thanh duong) OR (thanh vuong)) va ((dung cong) or (dung trong)) ban can cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - ((thanh duong) OR (thanh vuong)) va ((dung cong) or (dung trong)) ban can cau*.