Perhaps you should try some spelling variations:
khien bang » phien ban, khien dong, khien vong
hoc khien » hoc hien, hoc nghien, hoc thieu
doanh cua » doanh luan
cong nong » cong dong, cong cong, cong trong
nong dan » cong dan, nong san, nguong dan
dan toan » van toan, dan than, manh toan
toan cau » 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: hoc khien bang - kinh doanh cua cong nong dan toan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc khien bang - kinh doanh cua cong nong dan toan cau*.