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

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 (hoc sach)) ky nang xa hoi. lieu va cham xuc ((va han) OR (va phan)) tai cuu tre~.
• 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) OR (va phan)) tai 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) OR (va phan)) tai cuu tre*".