Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
thi phuong » thi truong
chi sach » chinh sach, chieu sach, moi sach
tuan thi » tran thi, tuan thu, luan thi
dan than » dan chan, ban than, van than
co sach » bo sach, cuon sach, hoc sach

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) or (co sach)) - thanh trung tuan thi phuong ((dan than) or (anh tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (co sach)) - thanh trung tuan thi phuong ((dan than) OR (anh tuan)) cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (co sach)) - thanh trung tuan thi phuong ((dan than) or (anh tuan)) cau*.