Perhaps you should try some spelling variations:
nhan thai » nhanh thai, nhan tai, nhan tham
thu sach » tu sach, thuat sach, thuoc sach
thai cua » than cua, tai cuc, tri cua
hoc sach » hoc sinh, hoc cac, hoc anh
xa nhan » ca nhan, va nhan, xa phan
cam tuc » cam xuc, nam thuc, dam thuc
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
cam tu » cam thu, nam tu, dam tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (hoc sach)) ky nang xa hoi. lieu va ((cam tuc) OR (cam tu)) xa nhan thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (hoc sach)) ky nang xa hoi. lieu va ((cam tuc) OR (cam tu)) xa nhan thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (hoc sach)) ky nang xa hoi. lieu va ((cam tuc) OR (cam tu)) xa nhan thai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (hoc sach)) ky nang xa hoi. lieu va ((cam tuc) OR (cam tu)) xa nhan thai cua tre*.