Perhaps you should try some spelling variations:
su sach » so sach, vu sach
ty nang » ty xang, ty hang, ly nang
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty nang) or (ky nang)) ma hoi. hieu ve cac xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty nang) OR (ky nang)) ma hoi. hieu ve cac xuc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach ((ty nang) or (ky nang)) ma hoi. hieu ve cac xuc va hanh vi cua tre*.