Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, tu cach
te sach » toc sach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
han tai » hang tai, nhan tai, van tai
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua 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.

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