Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
dai thong » dai tuong, dai hong, dai thang
van tuan » van ban, anh tuan
van quan » 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 truong dai thong cong ((van tuan) or (van quan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh truong dai thong cong ((van tuan) OR (van quan)) ban*.