Perhaps you should try some spelling variations:
thanh trung » thanh tung
tai truong » thi truong, tai trung, tang truong
tieu sach » chieu sach, dien sach, te sach
tam tong » tai tong, tam nong, tam song
cong dan » cong san, cong tan, huong dan
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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 ((tam tong) or (tai truong)) cong dan ((than cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - thanh trung ((tam tong) OR (tai truong)) cong dan ((than cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - thanh trung ((tam tong) or (tai truong)) cong dan ((than cau) or (toan cau))*.