Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
tieu sach » chieu sach, dien sach, te sach
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
cong dan » cong san, cong tan, huong dan
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: theo tieu sach - thanh trung cua thong cong dan ((than cap) or (((toan ban) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - thanh trung cua thong cong dan ((than cap) OR (((toan ban) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - thanh trung cua thong cong dan ((than cap) or (((toan ban) or (van ban))))*.