Perhaps you should try some spelling variations:
te sach » toc sach
sach ty » sach y, sach tu, sach thu
hanh de » hanh ve, hanh kem
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va cao » va cac, va co, va bao
tuc va » thuc va, truc va, tuc xa
va dao » ca dao

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