Perhaps you should try some spelling variations:
nhanh hai » nhanh thai, thanh hai, nhanh ha
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
duc ban » duc tan, dua ban, duc man
duc van » duc va, duc tan, duc manh
hai cua » thai cua, dai cua, hoi 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ve cac ((duc ban) OR (duc van)) nhanh hai cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ve cac ((duc ban) OR (duc van)) nhanh hai cua tre*.