Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cua triet » cua viet, su triet, va triet
nhan tai » hang tai, van tai, toan tai
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, cam tu, nam thuc
va nhan » van nhan, ca nhan, va phan
cua tre » cua te, cuu tre, dua tren
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuat sach) or (hoc sinh)) ky nang xa hoi. lieu va cam tuc va nhan tai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (hoc sinh)) ky nang xa hoi. lieu va cam tuc va nhan tai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (hoc sinh)) ky nang xa hoi. lieu va cam tuc va nhan tai ((cua tre) or (cua triet))*.