Perhaps you should try some spelling variations:
thanh trung » thanh tung
cuu phuong » cac phuong, thu phuong
cuc phuong » cac phuong, cua phuong, chuc thuong
hien sach » dien sach, kien sach, thien hach
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than ban » thanh ban, toan ban, than man

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - thanh trung ((cuu phuong) OR (cuc phuong)) cong tac than ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - thanh trung ((cuu phuong) or (cuc phuong)) cong tac than ban*.