Perhaps you should try some spelling variations:
chong thuong » cong thuong, thong thuong, hang thuong
nhanh chong » thanh cong, khanh phong
hoc nhanh » hoc nganh, hoc phan
thuong va » truong va, thong va, thuong mai
sach doi » sach hoi, sach moi, sach dao
bo sach » co sach, hoc sach
doi tac » dong tac
va nhan » van nhan, va phan, va nha
mo hoc » mon hoc, co hoc
va hoi » xa hoi, va hoc, va hoa

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach doi tac, nghien cuu mo hoc nhanh chong thuong va hoi ((va nhan) OR (ca nhan)) van~".
• Adding a wildcard symbol may retrieve word variants: bo sach doi tac, nghien cuu mo hoc nhanh chong thuong va hoi ((va nhan) OR (ca nhan)) van*.