Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cua tre » cua te, cuu tre, cua triet
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, ve chim
ban anh » ban hanh, ban banh, ban danh
vu cham » va cham, vu kham, tu cham
ve cua » le cua, de cua, te cua
anh ve » hanh ve, anh va, anh viet
x hoi » xa hoi, o hoi, x ho

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

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