Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tran » hanh trang, thanh tran, hanh tram
van nhung » van nhuong, va nhung, van hung
25 trieu » 30 trieu
tran van » luan van
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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 dan ((phan cau) OR (phan cac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - hanh tran van nhung cong dan ((phan cau) OR (phan cac))".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - hanh tran van nhung cong dan ((phan cau) OR (phan cac))*.