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