Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, theo chu, thi chieu
thong tac » thong cac, tuong tac, thong tai
ho chieu » hoc thieu, doi chieu, mot chieu
tuong he » tuong hue, tuong ho, trong he
tac than » tac thanh, tam than, tac nhan
than cao » toan cao, thai cao, than cap

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 he thong thong tac than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sang - thanh tuong he thong thong tac than cao*.