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
nang xa » nang x, lang xa, nang ma
hieu va » lieu va
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
cam tu » cam thu, nam tu, dam tu
de cua » le cua, te cua, dieu 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 y nang xa hoi. ((hieu va) or (hieu qua)) cam tu va thanh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang xa hoi. ((hieu va) OR (hieu qua)) cam tu va thanh de cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. ((hieu va) or (hieu qua)) cam tu va thanh de cua tre*.