Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
tuong cua » truong cua, huong cua, thong cua
dong cong » duong cong, dung cong, dang cong
nang cong » nang song, dang cong, bang cong
bac than » bac thanh, bac thang, ban than
than cap » khan cap, thanh lap, thanh cac

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 sang - thanh tuong cua ((dong cong) or (nang cong)) bac than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - thanh tuong cua ((dong cong) OR (nang cong)) bac than cap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - thanh tuong cua ((dong cong) or (nang cong)) bac than cap*.