Perhaps you should try some spelling variations:
tu cach » tu cac
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
anh va » hanh va
va cua » va chua, via cua, ca cua

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 sach)) ky nang xa hoi. hieu vu ((cam xuc) or (chao xu)) van anh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (so sach)) ky nang xa hoi. hieu vu ((cam xuc) OR (chao xu)) van anh va cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (so sach)) ky nang xa hoi. hieu vu ((cam xuc) or (chao xu)) van anh va cua tre*.