Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
manh trung » manh tung, thanh trung, manh hung
trung tuan » trung thanh, trung tam, tran tuan
tuan tong » toan tong, thuan trong, toan thong
tong cong » trong cong, cong cong, dung cong
van tuan » van quan, van ban, anh tuan
van tan » van ban, van tai, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (chiet tach)) - manh trung tuan tong cong ((van tan) or (van tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chiet tach)) - manh trung tuan tong cong ((van tan) OR (van tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) or (chiet tach)) - manh trung tuan tong cong ((van tan) or (van tuan)) cau*.