Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van thanh » van tuan
van hanh » ban hanh, van anh, van ban
vai cua » dai cua, hai cua, lai cua
va hanh » va thanh, va danh, ban hanh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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 v nang xa hoi. hieu ((van thanh) OR (ban thanh)) luc ((va hanh) or (van hanh)) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang xa hoi. hieu ((van thanh) OR (ban thanh)) luc ((va hanh) OR (van hanh)) vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach v nang xa hoi. hieu ((van thanh) OR (ban thanh)) luc ((va hanh) or (van hanh)) vai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach v nang xa hoi. hieu ((van thanh) OR (ban thanh)) luc ((va hanh) or (van hanh)) vai cua tre*.