Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
chua nhung » cua nhung, thuat nhung, cua chung
chua dung » chua dong, thuat dung, chan dung
tan thanh » tran thanh, tang thanh, toan thanh
thanh ban » thanh san, thanh van, thanh bac
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 xanh) OR (chieu sach)) - canh tranh ((chua dung) or (chua nhung)) cong tan thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh tranh ((chua dung) OR (chua nhung)) cong tan thanh ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu sach)) - canh tranh ((chua dung) or (chua nhung)) cong tan thanh ban*".