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

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 xa nhan thai ((cua triet) or (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 xa nhan thai ((cua triet) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (hoc sach)) ky nang xa hoi. lieu va cam tuc xa nhan thai ((cua triet) or (cua tre))*.