Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
tran xuan » tran quang
30 trieu » 25 trieu
dung cua » dung luan, dung cho
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: 30 trieu tinh - thanh dung cua ((nhung cong) or (thong cong)) tan ((tran xuan) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - thanh dung cua ((nhung cong) OR (thong cong)) tan ((tran xuan) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - thanh dung cua ((nhung cong) or (thong cong)) tan ((tran xuan) or (tran van))*.