Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
trung ca » trung cap, truong ca, trung cua
ca trong » cay trong, cad trong, co trong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
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 hieu lang - thanh trung ca trong cong dan ((than cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - thanh trung ca trong cong dan ((than cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - thanh trung ca trong cong dan ((than cau) or (than cap))*.