Perhaps you should try some spelling variations:
vat thanh » dat thanh, gat thanh, tat thanh
nhan thuc » nhan luc, dan thuc, toan thuc
nha thuc » nha thuoc, nham thuc, ha thuc
thanh di » thanh doi, thanh de, thanh do
su sach » so sach, vu sach
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky nang xa hoi. hieu ve ((nha thuc) OR (nhan thuc)) vat thanh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (te sach)) ky nang xa hoi. hieu ve ((nha thuc) OR (nhan thuc)) vat thanh di cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky nang xa hoi. hieu ve ((nha thuc) OR (nhan thuc)) vat thanh di cua tre*.