Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
thien van » thi van
dang nong » dang cong, hang nong, tang nong
chinh su » hinh su, chinh phu, chinh ta
nong dan » cong dan, nong san, nguong dan
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap
su dang » su dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((thien van) or (nhieu tang)) - hanh chinh su dang nong dan ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thien van) OR (nhieu tang)) - hanh chinh su dang nong dan ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((thien van) or (nhieu tang)) - hanh chinh su dang nong dan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: ho ((thien van) or (nhieu tang)) - hanh chinh su dang nong dan ((than cau) OR (toan cau))*.