Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thanh huong » thanh hung, thanh cong, anh huong
trang tuan » tran tuan, trung tuan, tran xuan
trong tuan » trong quan, trung tuan, trong tan
hieu lang » chieu sang, hieu quang, nhieu tang
dong cong » duong cong, dung cong, dang cong
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) or (thanh huong)) van dong cong trinh ((trang tuan) OR (trong tuan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((thanh truong) OR (thanh huong)) van dong cong trinh ((trang tuan) OR (trong tuan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - ((thanh truong) or (thanh huong)) van dong cong trinh ((trang tuan) OR (trong tuan))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((thanh truong) or (thanh huong)) van dong cong trinh ((trang tuan) OR (trong tuan))*.