Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
hanh tran » hanh trang, thanh tran, hanh tram
tan thanh » tran thanh, tang thanh, toan thanh
thanh cau » thanh chau, thanh mau, nhanh cau
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)) tan thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - hanh tran van ((nhung cong) OR (thong cong)) tan thanh cau".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - hanh tran van ((nhung cong) OR (thong cong)) tan thanh cau*.