Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
qua chung » qua chuong, quat chung, cua chung
hanh ban » thanh ban, hang ban, hanh san
cong van » cong vang, song van, cong tan
cong san » cong tac
than cau » toan cau, phan cau, than cap
ban qua » ban quan, ban cua, ban sua

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)) - hanh ban qua chung ((cong van) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - hanh ban qua chung ((cong van) OR (cong san)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chiet tach)) - hanh ban qua chung ((cong van) or (cong san)) than cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chiet tach)) - hanh ban qua chung ((cong van) or (cong san)) than cau*.