Perhaps you should try some spelling variations:
doanh tuong » doanh thuong, doanh tong, doanh trong
nghiep cua » nghiep vua, nghiep luan, nghien cuu
tuong hoc » truong hoc, tuong ho, duong hoc
toc sach » hoc sach, doc sach, thuoc sach
cua dong » chua dong, cua cong, cua dang
co doanh » cho doanh, cao doanh, so doanh
gian dan » gian lang
va gian » va gianh, van gian, va giai
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (toc sach)) hoc tap, nghiep cua dong co doanh tuong hoc ma hoi va gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) hoc tap, nghiep cua dong co doanh tuong hoc ma hoi va gian dan.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) hoc tap, nghiep cua dong co doanh tuong hoc ma hoi va gian dan*.