Perhaps you should try some spelling variations:
doanh ban » doanh bat, doanh van, doanh nhan
dung sai » dung tai, dung va, dung dat
danh tu » anh tu, doanh thu
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
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: tu sach ky nang xa hoi. hieu ve cac xuc va ((doanh ban) or (((dung sai) or (danh tu)))) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ve cac xuc va ((doanh ban) OR (((dung sai) OR (danh tu)))) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ve cac xuc va ((doanh ban) or (((dung sai) or (danh tu)))) cua tre*.