Perhaps you should try some spelling variations:
hanh doanh » chinh doanh, doanh doanh, kinh doanh
hang doanh » nhung doanh, van doanh, dung doanh
trong san » trong cac, cong san, dong san
cau sach » cao sach, hau sach, khau sach
rau sach » hau sach, khau sach, nam sach
qua dung » quang dung, su dung, qua song
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 ((cau sach) OR (rau sach)) - ((hanh doanh) or (hang doanh)) qua dung trong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((cau sach) OR (rau sach)) - ((hanh doanh) OR (hang doanh)) qua dung trong san toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((cau sach) OR (rau sach)) - ((hanh doanh) or (hang doanh)) qua dung trong san toan cau*".