Perhaps you should try some spelling variations:
chieu tang » chieu sang, nhieu tang, chien thang
tan thong » toan thong, tran thong, tao thong
cong sang » cong san, cong vang, cong bang
cong lang » cong vang, cong luong, cong quang
ho chieu » theo chieu, hoc thieu, mot chieu
cong tan » cong tac, cong san, cong thanh

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 tang - thanh cong tan thong ((cong sang) or (cong lang)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tang - thanh cong tan thong ((cong sang) OR (cong lang)) phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu tang - thanh cong tan thong ((cong sang) or (cong lang)) phan tu*.