Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
van doanh » toan doanh, van dong, van thanh
dung dong » dung cong, vung dong, dung trong
theo rau » theo dau, theo mau, theo chu
rau sach » cau sach, hau sach, khau sach
qua dung » quang dung, su dung, qua song
dong san » cong san, dong bang, dong von
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: theo rau sach - ((hanh doanh) or (van doanh)) qua dung dong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo rau sach - ((hanh doanh) OR (van doanh)) qua dung dong san toan cau*.