Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
nhung don » nhung van, nhung bo
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - hanh trung tuan ((nhung don) or (dung cong)) manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh trung tuan ((nhung don) OR (dung cong)) manh toan cao.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh trung tuan ((nhung don) or (dung cong)) manh toan cao*.