Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hanh doanh » hang doanh, chinh doanh, kinh doanh
cong thanh » dong thanh, cong trinh, cong tan
cua nhung » va nhung
theo thu » theo chu, theo tu, theo tieu
thu sach » tu sach, thuat sach, thuoc sach
cong san » cong tac
tran cao » toan cao, tran chau, trang cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo thu sach - ((hanh doanh) OR (doanh doanh)) cua nhung ((cong thanh) or (cong san)) tran cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo thu sach - ((hanh doanh) OR (doanh doanh)) cua nhung ((cong thanh) OR (cong san)) tran cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo thu sach - ((hanh doanh) OR (doanh doanh)) cua nhung ((cong thanh) or (cong san)) tran cao".
• Adding a wildcard symbol may retrieve word variants: theo thu sach - ((hanh doanh) OR (doanh doanh)) cua nhung ((cong thanh) or (cong san)) tran cao*.