Perhaps you should try some spelling variations:
su sach » so sach
vu sach » vu bach, vu khach
ty mang » ty xang, ty hang, tin mang
mang xa » lang xa, mang may, dang xay
van cau » van dau, van hau, van chat
van bac » van ban, van bao, van hac
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
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) or (vu sach)) ty mang xa hoi. hieu ((van cau) or (van bac)) xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ty mang xa hoi. hieu ((van cau) OR (van bac)) xuc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ty mang xa hoi. hieu ((van cau) or (van bac)) xuc va hanh vi cua tre*.