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