Perhaps you should try some spelling variations:
toc chinh » hoc chinh, tac chinh, cuoc chinh
soc chinh » hoc chinh, cuoc chinh, do chinh
canh manh » lanh manh, canh tranh, cach mang
hang nong » thang long
manh cua » doanh cua, ban cua
san cay » san chay, san tay, xanh cay
cay ca » cay co

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc chinh) or (soc chinh)) sach - canh manh cua ((hang nong) OR (han tong)) san cay ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc chinh) OR (soc chinh)) sach - canh manh cua ((hang nong) OR (han tong)) san cay ca*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc chinh) or (soc chinh)) sach - canh manh cua ((hang nong) OR (han tong)) san cay ca*".