Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh de » hanh de, thanh ve, thanh do
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
cuu tre » cua tre, cau tren, cau treo
va nam » van nam, ha nam
va nay » va ngay, va cay
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 nang xa hoi. hieu ((va nam) or (va nay)) tu va thanh de cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ty nang xa hoi. hieu ((va nam) OR (va nay)) tu va thanh de cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu ((va nam) or (va nay)) tu va thanh de cuu tre*.