Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
thong cong » trong cong, tong cong, thong thong
hien hanh » dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thanh cac » hanh cac, thanh bac, thanh ca
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, than cua

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: toc ((thieu sach) OR (hien hanh)) - thanh trung cua thong cong dan ((than cap) OR (thanh cac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu sach) or (hien hanh)) - thanh trung cua thong cong dan ((than cap) OR (thanh cac))~".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) or (hien hanh)) - thanh trung cua thong cong dan ((than cap) OR (thanh cac))*.