Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
thanh ban » thanh van, thanh bac, thanh bai
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan

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