Perhaps you should try some spelling variations:
cho chinh » chon chinh, che chinh, cuoc chinh
tranh han » tranh hang, trinh han, tranh ban
ho chinh » hoc chinh, hoa chinh, do chinh
han hoan » phan hoan, van hoan, nhanh hoan
nong dan » cong dan, nguong dan, huong dan
nong san » cong san, dong san, trong san
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chinh) or (cho chinh)) sach - canh tranh han hoan ((nong dan) OR (nong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chinh) OR (cho chinh)) sach - canh tranh han hoan ((nong dan) OR (nong san)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chinh) or (cho chinh)) sach - canh tranh han hoan ((nong dan) OR (nong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chinh) or (cho chinh)) sach - canh tranh han hoan ((nong dan) OR (nong san)) toan cao*.