Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
tu sach » thu sach, su sach, tu cach
dan tai » van tai, dan thi, han tai
cam tuc » cam xuc, cam tu, dam thuc
cuc tre » duc tre, cua tre, cuu tre
te sach » toc sach
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
va dan » ca dan, va dao, va dau
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: ((tu sach) OR (te sach)) y nang x hoi. hieu ve ((cam tuc) OR (nam thuc)) va dan tai cuc tre~.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) y nang x hoi. hieu ve ((cam tuc) or (nam thuc)) va dan tai cuc tre*.