Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
hang dau » hang tai
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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: theo chieu sang - nhanh ((hang dau) or (hang va)) thong cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - nhanh ((hang dau) OR (hang va)) thong cong dan than cao.
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - nhanh ((hang dau) or (hang va)) thong cong dan than cao*.