Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
tranh cua » doanh cua, manh cua
dung cong » dung trong
nhanh cau » nhanh cay, thanh chau, nhanh ha
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van
thanh ca » thanh cha, thanh cac, thanh ha

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 sach) or (chiet tach)) - canh tranh cua dung cong van ((thanh ca) or (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - canh tranh cua dung cong van ((thanh ca) OR (nhanh cau)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chiet tach)) - canh tranh cua dung cong van ((thanh ca) or (nhanh cau))*.