Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
ho chieu » hoc thieu, doi chieu, mot chieu
tuong va » truong va, thuong va, luong va
va thong » va thuong, va phuong, he thong
cong tac » cong ty
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) sang - thanh tuong va thong cong tac ((than cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sang - thanh tuong va thong cong tac ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sang - thanh tuong va thong cong tac ((than cao) OR (thai cao))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sang - thanh tuong va thong cong tac ((than cao) OR (thai cao))*.