Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
tung tuan » trung tuan, hung tuan, quang tuan
thu sach » tu sach, thuat sach, thuoc sach
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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

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