Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
thanh ban » thanh san, thanh van, thanh bac
cua dang » cua cong, cua ban
cong san » cong tac
than ban » than man, nhuan ban, than phan
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh trung cua dang cong san ((((than ban) or (thanh ban))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh trung cua dang cong san ((((than ban) OR (thanh ban))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh trung cua dang cong san ((((than ban) or (thanh ban))) or (toan ban))*.