Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung cap, dung cua
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
thanh cha » thanh ha, thanh nha, thanh phan
doi hieu » doi chieu, doc hieu, doi hien
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - thanh ((trung cua) OR (trung tuan)) dung cong san ((thanh lap) or (thanh cha))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - thanh ((trung cua) OR (trung tuan)) dung cong san ((thanh lap) OR (thanh cha))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi hieu lang - thanh ((trung cua) OR (trung tuan)) dung cong san ((thanh lap) or (thanh cha))*".