Perhaps you should try some spelling variations:
van chat » cao chat
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro
luc va » duc va, tuc va, loc va
vi cua » vai cua, di 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: te sach ky nang o hoi. hieu ((((van nam) or (van chat))) or (van lam)) luc va thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang o hoi. hieu ((((van nam) OR (van chat))) OR (van lam)) luc va thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang o hoi. hieu ((((van nam) or (van chat))) or (van lam)) luc va thanh vi cua tre*.