Perhaps you should try some spelling variations:
theo chieu » theo tieu, thi chieu
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
theo chu » cho chu, chao chu, theo yeu
ho chieu » hoc thieu, doi chieu, mot chieu
va thong » va thuong, va phuong, he thong
cong tan » cong tac, cong san, cong thanh
tung va » trung va, tuong va, dung va
tan tai » toan tai, tang tai, tuan tai
tai cao » thai cao, tao cao, tai sao

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 chu))) or (ho chieu)) xanh - thanh tung va thong cong tan tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((theo chieu) OR (theo chu))) OR (ho chieu)) xanh - thanh tung va thong cong tan tai cao.
• Adding a wildcard symbol may retrieve word variants: ((((theo chieu) or (theo chu))) or (ho chieu)) xanh - thanh tung va thong cong tan tai cao*.