Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
tung tran » trung tran, hung tran, huong tran
tran dung » tran dang, tran hung, tran quang
cuong dan » cuong danh, huong dan, tuong dan
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
phan lap » phan dau

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: ho chieu sach - thanh tung tran dung ((cuong dan) OR (cong dan)) phan lap~.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung tran dung ((cuong dan) or (cong dan)) phan lap*.