Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
dang nong » dang cong, hang nong, tang nong
cua dang » cua cong, cua ban
nong dan » cong dan, nong san, nguong dan
phan cau » phan tu, phan lap, toan cau
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - canh tranh cua dang nong dan ((((phan cau) OR (phan cac))) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - canh tranh cua dang nong dan ((((phan cau) OR (phan cac))) or (phan dau))~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - canh tranh cua dang nong dan ((((phan cau) OR (phan cac))) or (phan dau))*.