Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau
phan van » pham van, thanh van, luan van

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

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