Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ban anh » ban hanh, ban banh, ban danh
duc ban » duc tan, duc van, dua ban
ve chat » va chat, van chat
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, vu cham, ve chim
ty nang » ky nang, ty xang, ty hang
nang o » nang co, nang ho, nang ro
anh de » hanh de, anh d, anh ve
de cua » le cua, te cua, dieu cua
o hoi » co hoi, o hoc, o hai

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 ty nang o hoi. hieu ((ve cham) or (ve chat)) duc ban anh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang o hoi. hieu ((ve cham) OR (ve chat)) duc ban anh de cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang o hoi. hieu ((ve cham) or (ve chat)) duc ban anh de cua tre*.