Perhaps you should try some spelling variations:
ninh viet » sinh vien, anh viet
khien tu » dien tu
van ninh » van minh, van dinh, van binh
viet cua » viec cua, viet ca, viet qua
tu cach » tu cac
so sanh » do sanh
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
tu cam » tu cham, tu cac, tu nam
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (so sanh)) ky nang x hoi. khien tu cam xuc van ninh viet cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (so sanh)) ky nang x hoi. khien tu cam xuc van ninh viet cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (so sanh)) ky nang x hoi. khien tu cam xuc van ninh viet cua tre*.