Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh doi » thanh doi, hanh noi, hang doi
te sach » toc sach
sach ky » sac ky, sach y, sach ty
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
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: te sach ky nang o hoi. hieu ((ve cam) or (va cam)) cua ban hanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang o hoi. hieu ((ve cam) OR (va cam)) cua ban hanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang o hoi. hieu ((ve cam) or (va cam)) cua ban hanh doi cua tre*.