Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
cong tran » cong tan, cong tuan, cong toan
tran hong » tran hoang, tran trong, tranh hang
hong cong » thong cong, hoang cong, chong cong
cong san » cong tac
tran cau » tran chau, toan cau, tra cau
ran cau » van cau, ban cau, can cau

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