Perhaps you should try some spelling variations:
huong doi » huong dan, trong doi, dung doi
xa huong » xa phuong, va huong, xa muong
so sach » so sanh, bo sach, co sach
ty nang » ky nang, ty hang, ly nang
hieu va » lieu va, hieu qua
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
cam tu » cam thu, nam tu, dam tu
x hoi » xa hoi, o hoi, x ho
tu xa » tu xay, tu va, te xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ((ty nang) or (ty xang)) x hoi. hieu va cam tu xa huong doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ty nang) OR (ty xang)) x hoi. hieu va cam tu xa huong doi cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach ((ty nang) or (ty xang)) x hoi. hieu va cam tu xa huong doi cua tre*.