Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thanh tung » thanh cong
cap hang » cap hoang, cap han, cau thang
cap bang » cao bang, can bang, lap bang
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chiet tach) OR (chieu sach)) - thanh tung ((cap hang) or (cap bang)) cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chiet tach) OR (chieu sach)) - thanh tung ((cap hang) OR (cap bang)) cong dan chan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chiet tach) OR (chieu sach)) - thanh tung ((cap hang) or (cap bang)) cong dan chan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chiet tach) OR (chieu sach)) - thanh tung ((cap hang) or (cap bang)) cong dan chan cau*.