Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh vi » hanh vi, thanh va, thanh ve
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
chi cua » chi cuc, khi cua, cuoi cua
cua gia » cua giao, qua gia
cua tre » cua te, cuu tre, dua tren
va chi » van chi, va che, va cai

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

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