Perhaps you should try some spelling variations:
truong doi » truong dai, trong doi, truong hoi
xa truong » cac truong
so sach » so sanh, bo sach, co sach
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
hieu va » lieu va
cam tuc » cam xuc, cam tu, nam thuc
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
x hoi » xa hoi, o hoi, x ho

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 tu nang x hoi. ((hieu va) OR (hieu qua)) cam tuc xa truong doi cua tre~.
• Adding a wildcard symbol may retrieve word variants: so sach tu nang x hoi. ((hieu va) or (hieu qua)) cam tuc xa truong doi cua tre*.