Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
tuong va » truong va, thuong va, luong va
cong dan » cong san, cong tan, huong dan
than cao » toan cao, thai cao, than cap
tung va » trung va, dung va, vung va

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