Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
luan hang » luan nang, luan han, luan hung
cong van » cong vang, song van, cong tan
cong san » cong tac
tai cau » tai cac, tai cao

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) or (chieu sach)) - hanh dong luan hang ((cong van) OR (cong san)) tai cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - hanh dong luan hang ((cong van) OR (cong san)) tai cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - hanh dong luan hang ((cong van) OR (cong san)) tai cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - hanh dong luan hang ((cong van) OR (cong san)) tai cau*.