Perhaps you should try some spelling variations:
tnong nghiep » datnong nghiep, cong nghiep, huong nghiep
nong nghiep » cong nghiep, doanh nghiep
thiet hach » thien hach, thuyet hach, thiet hai
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tong cong » trong cong, cong cong, dung cong
cong san » cong tac
san toan » van toan, dan toan, 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 thiet hach - dinh ((tnong nghiep) or (nong nghiep)) tong cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet hach - dinh ((tnong nghiep) OR (nong nghiep)) tong cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thiet hach - dinh ((tnong nghiep) or (nong nghiep)) tong cong san toan cau*.