Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thuong van » thong van, truong van, thuong va
cong thanh » dong thanh, cong tan, truong thanh
tran xuan » tran quang
van dung » van dong, xay dung, tin dung
tran van » luan van
ho hieu » ho chieu, hoi hieu, nho hieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu qua - thanh thuong van dung ((cong thanh) OR (cong trinh)) ((tran xuan) OR (tran van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu qua - thanh thuong van dung ((cong thanh) or (cong trinh)) ((tran xuan) OR (tran van))~".
• Adding a wildcard symbol may retrieve word variants: ho hieu qua - thanh thuong van dung ((cong thanh) or (cong trinh)) ((tran xuan) OR (tran van))*.