Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
luan cong » luat cong, luong cong, luan chung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
tang van » dang van, hoang van, trong van

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 xanh - hanh tang luan cong ((cong tan) or (cong san)) tang van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh tang luan cong ((cong tan) OR (cong san)) tang van.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tang luan cong ((cong tan) or (cong san)) tang van*.