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
hang nong » thang long, han tong
cua hang » cua dang, cua nhung, cua cong
nong dan » cong dan, nong san, nguong dan
phan dau » phan tu
hang dau » hang va, hang tai

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 hang nong dan ((((phan lap) OR (phan dau))) OR (hang dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - canh tranh cua hang nong dan ((((phan lap) OR (phan dau))) or (hang dau))~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - canh tranh cua hang nong dan ((((phan lap) OR (phan dau))) or (hang dau))*.