Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
tuan thuong » than thuong, toan thuong, thanh thuong
theo chiet » theo chieu, thep thiet
chiet tach » chieu sach
trong tuan » trong quan, trung tuan, trong tan
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chiet tach - thanh trong tuan thuong ((cong dan) OR (cong tan)) phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chiet tach - thanh trong tuan thuong ((cong dan) OR (cong tan)) phan tu".
• Adding a wildcard symbol may retrieve word variants: theo chiet tach - thanh trong tuan thuong ((cong dan) OR (cong tan)) phan tu*.