Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
mua van » ma van, mua ban, mua dan
ca dang » cao dang, cua dang, cac dang
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
va nam » van nam, ha nam, va nay
ca dan » cac dan, ca dao
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: te sach ty nang x hoi. lieu va nam ((mua van) or (((ca dang) or (ca dan)))) hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang x hoi. lieu va nam ((mua van) OR (((ca dang) OR (ca dan)))) hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. lieu va nam ((mua van) or (((ca dang) or (ca dan)))) hanh vai cua tre*.