Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuc sach » thuoc sach, thu sach, thuc cach
trung cua » truong cua, trung tuan, trung cap
hoc thuc » hoc huu
cua dang » cua cong, cua ban
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan tap » toan 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 thuc sach - thanh trung cua dang ((cong tan) or (cong san)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thuc sach - thanh trung cua dang ((cong tan) OR (cong san)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thuc sach - thanh trung cua dang ((cong tan) or (cong san)) toan tap*.