Perhaps you should try some spelling variations:
tran thanh » ban thanh, van thanh, quan thanh
nhung cong » dung cong, thong cong, hang cong
hanh tran » hanh trang, thanh tran, hanh tram
tong cong » trong cong, cong cong, dung cong
tan thanh » tang thanh, toan thanh, ban thanh
25 trieu » 30 trieu
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: 25 trieu tinh - hanh tran van ((nhung cong) or (tong cong)) ((tan thanh) OR (tran thanh)) chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 25 trieu tinh - hanh tran van ((nhung cong) OR (tong cong)) ((tan thanh) OR (tran thanh)) chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - hanh tran van ((nhung cong) or (tong cong)) ((tan thanh) OR (tran thanh)) chau".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - hanh tran van ((nhung cong) or (tong cong)) ((tan thanh) OR (tran thanh)) chau*.