Perhaps you should try some spelling variations:
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
cham xuc » cam xuc, chat xuc, cham soc
va cham » va chat, va tham
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
o hoi » co hoi, o hoc, o hai
d cua » de cua, do cua, da cua

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

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