Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh de » hanh ve, hanh kem
xuc van » duc van, luc van, vuc van
sach ty » sach y, sach thu, xach tay
va chat » van chat, va phat, cao chat
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach uu
cuu tre » cua tre, cau tren, cau treo
de cuu » de cua

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) or (sach tu)) nang xa hoi. hieu ((va chat) or (va cac)) xuc van hanh de cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach tu)) nang xa hoi. hieu ((va chat) OR (va cac)) xuc van hanh de cuu tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach tu)) nang xa hoi. hieu ((va chat) or (va cac)) xuc van hanh de cuu tre*.