Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
hoa doanh » toan doanh, hoa dan
toc sach » hoc sach, doc sach, thuoc sach
xa doanh » va doanh, vay doanh, cac doanh
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac toc » cac toi, cac nuoc, cac thoi
van cua » vang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky nang xa hoi. hieu ve cac toc ((((xa doanh) or (hoa doanh))) or (van doanh)) van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky nang xa hoi. hieu ve cac toc ((((xa doanh) OR (hoa doanh))) OR (van doanh)) van cua tre.
• Adding a wildcard symbol may retrieve word variants: toc sach ky nang xa hoi. hieu ve cac toc ((((xa doanh) or (hoa doanh))) or (van doanh)) van cua tre*.