Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhan dang
theo chinh » thien chinh, te chinh, thi chinh
nhung cong » dung cong, thong cong, hang cong
che chinh » te chinh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chinh) OR (che chinh)) sach - ((hanh tang) OR (nhanh lang)) cua nhung cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chinh) OR (che chinh)) sach - ((hanh tang) or (nhanh lang)) cua nhung cong tac toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((theo chinh) OR (che chinh)) sach - ((hanh tang) or (nhanh lang)) cua nhung cong tac toan tap*.