Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
hoc sach » hoc sinh, hoc cac, hoc anh
cua tre » cua te, cua triet, dua tren
han tai » hang tai, nhan tai, van tai
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
nang xa » nang x, lang xa, nang ma
cuu tre » cau tren, cau treo
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (hoc sach)) ky nang xa hoi. lieu va cham xuc va han tai ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (hoc sach)) ky nang xa hoi. lieu va cham xuc va han tai ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (hoc sach)) ky nang xa hoi. lieu va cham xuc va han tai ((cua tre) OR (cuu tre))*.