Perhaps you should try some spelling variations:
hoang manh » hoang minh, hoang anh, hoang xanh
hanh manh » hanh mang, lanh manh, thanh minh
cong nong » cong dong, cong cong, cong trong
ho trieu » mot trieu, 30 trieu, ho chieu
25 trieu » 30 trieu
nong dan » cong dan, nong san, nguong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) OR (25 trieu)) tinh - ((hanh manh) or (hoang manh)) cua cong nong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (25 trieu)) tinh - ((hanh manh) OR (hoang manh)) cua cong nong dan than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (25 trieu)) tinh - ((hanh manh) or (hoang manh)) cua cong nong dan than cao".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (25 trieu)) tinh - ((hanh manh) or (hoang manh)) cua cong nong dan than cao*.