Perhaps you should try some spelling variations:
thanh trung » thanh tung
hien sach » dien sach, kien sach, thien hach
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - thanh trung cua nhung ((cong dan) or (cong tan)) ((phan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - thanh trung cua nhung ((cong dan) OR (cong tan)) ((phan cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - thanh trung cua nhung ((cong dan) or (cong tan)) ((phan cau) or (than cap))*.