Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
than phan » thanh phan, toan phan, thanh pham
cong dan » cong san, huong dan, cong dong
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: hoc chieu xanh - canh tranh cua nhung ((cong dan) OR (cong tan)) ((than phan) or (thanh san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - canh tranh cua nhung ((cong dan) OR (cong tan)) ((than phan) OR (thanh san)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - canh tranh cua nhung ((cong dan) OR (cong tan)) ((than phan) or (thanh san))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - canh tranh cua nhung ((cong dan) OR (cong tan)) ((than phan) or (thanh san))*.