Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua
manh cua » doanh cua, ban cua
nong dan » cong dan, nguong dan, huong dan
nong san » cong san, dong san, trong san
chan ban » can ban, chat ban, chan nan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu tinh - canh ((tranh cua) OR (manh cua)) dang ((nong dan) or (nong san)) chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh ((tranh cua) OR (manh cua)) dang ((nong dan) OR (nong san)) chan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh ((tranh cua) OR (manh cua)) dang ((nong dan) or (nong san)) chan ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh ((tranh cua) OR (manh cua)) dang ((nong dan) or (nong san)) chan ban*.