Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh trung » thanh tung
tran thanh » ban thanh, quan thanh
hieu lang » chieu sang, hieu quang, nhieu tang
van thanh » ban thanh, van tuan
ban cong » bang cong, van cong, phan cong
cong san » cong tac
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 thuong) or (thanh trung)) cua ban cong san ((tran thanh) OR (van thanh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((thanh thuong) OR (thanh trung)) cua ban cong san ((tran thanh) OR (van thanh)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((thanh thuong) or (thanh trung)) cua ban cong san ((tran thanh) OR (van thanh))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((thanh thuong) or (thanh trung)) cua ban cong san ((tran thanh) OR (van thanh))*.