Perhaps you should try some spelling variations:
huong dai » huong dan, huong doi, duong dai
xa huong » xa phuong, va huong, xa muong
so sach » so sanh, co sach, hoc sach
cam tuc » cam xuc, nam thuc, dam thuc
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
bo sach » co sach, hoc sach
cam tu » cam thu, nam tu, dam tu

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: ((so sach) OR (bo sach)) ty nang xa hoi. hieu va ((cam tuc) OR (cam tu)) xa huong dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (bo sach)) ty nang xa hoi. hieu va ((cam tuc) OR (cam tu)) xa huong dai cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (bo sach)) ty nang xa hoi. hieu va ((cam tuc) OR (cam tu)) xa huong dai cua tre*.