Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, ho chieu, theo chu
theo yeu » theo tieu, thiet yeu, theo chu
tuong va » truong va, thuong va, luong va
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
toan cao » toan ban, toan tap
va tong » va thong, va tuong, va trong

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) or (theo yeu)) xanh - thanh tuong va tong ((cong van) OR (song van)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo yeu)) xanh - thanh tuong va tong ((cong van) OR (song van)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo yeu)) xanh - thanh tuong va tong ((cong van) OR (song van)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo yeu)) xanh - thanh tuong va tong ((cong van) OR (song van)) toan cao*.