Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
theo chieu » theo tieu, ho chieu, theo chu
truong va » truong dai, truong cao, truong dao
va phuong » va thuong, cac phuong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (theo chieu)) xanh - thanh truong va phuong ((cong tan) OR (cong san)) khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (theo chieu)) xanh - thanh truong va phuong ((cong tan) OR (cong san)) khan cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) or (theo chieu)) xanh - thanh truong va phuong ((cong tan) OR (cong san)) khan cap*".