Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh dung » thanh duong, thanh tung, thanh hung
cua nhung » va nhung
cuong hai » cuong bai, duong hai, chuong han
dung cua » dung luan, dung cho
cong hai » cong thai, cong ha, hoang hai
quan tai » quan tri, quang tri, quan li

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 tinh)) - thanh dung cua nhung ((cuong hai) OR (cong hai)) quan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu tinh)) - thanh dung cua nhung ((cuong hai) OR (cong hai)) quan tai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu tinh)) - thanh dung cua nhung ((cuong hai) OR (cong hai)) quan tai".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu tinh)) - thanh dung cua nhung ((cuong hai) OR (cong hai)) quan tai*.