Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
mot chieu » doi chieu, ho chieu
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
tung va » trung va, tuong va, dung va
dan thi » dang thi, tran thi, dinh thi
thi cao » thai cao, thi hao, thi bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) xanh - thanh tung va thong cong dan thi cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) xanh - thanh tung va thong cong dan thi cao.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) xanh - thanh tung va thong cong dan thi cao*.