Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
canh doanh » hanh doanh, chinh doanh, doanh doanh
luan nhung » luan chung, quan nhung, luan phuong
dong thanh » truong thanh
luan hung » luan chung, lan hung, luan ung
thanh can » thanh san, thanh van, thanh tan
can cau » van cau, ban cau, ca cau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chieu sang)) - canh doanh ((luan nhung) or (luan hung)) dong thanh can cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - canh doanh ((luan nhung) OR (luan hung)) dong thanh can cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chieu sang)) - canh doanh ((luan nhung) or (luan hung)) dong thanh can cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chieu sang)) - canh doanh ((luan nhung) or (luan hung)) dong thanh can cau*.