Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
canh tran » canh tranh, hanh trang, banh trang
cong vang » cong lang, cong quang, cong ngang
tran van » luan van
van dung » van dong, xay dung, tin dung
cong van » cong san, song van, cong tan
phan cau » phan dau, phan cac, phan tu

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