Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thinh doan » chinh doanh, hinh toan, thi doan
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
thanh cau » thanh mau, nhanh cau, thanh ca
cong van » cong vang, cong san, song van

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 (diep tinh)) - thinh doan va nhung cong van ((thanh cau) OR (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (diep tinh)) - thinh doan va nhung cong van ((thanh cau) OR (thanh chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (diep tinh)) - thinh doan va nhung cong van ((thanh cau) OR (thanh chau))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (diep tinh)) - thinh doan va nhung cong van ((thanh cau) OR (thanh chau))*.