Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
cong anh » cong danh, dong anh, hong anh
tuan cao » toan cao, juan cao, quang cao

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

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