Perhaps you should try some spelling variations:
tuan phung » tuan hung, tuan phong, tran phuong
chieu sach » chinh sach, chiet tach, chieu sang
phung cong » nhung cong, phong cong, nhung chong
chau tinh » cuu tinh, ha tinh, cua tinh
hanh tran » hanh trang, thanh tran, hanh tram
tran tuan » tran xuan, tran quang, tran thanh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) or (chau tinh)) - hanh tran tuan phung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sach) OR (chau tinh)) - hanh tran tuan phung cong tan toan ban*.