Perhaps you should try some spelling variations:
chat xuc » chat huu, chao xu, chat cua
hieu doc » hieu dac, hieu hoc, nhieu goc
van anh » van thanh, tuan anh, van minh
tu cach » tu cac
so sach » so sanh, bo sach, co sach
cua tre » cua te, cuu tre, cua triet
anh ve » hanh ve, anh va, anh viet
ve cua » le cua, de cua, te cua
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 sach)) ky nang x hoi. hieu doc ((chat xuc) OR (cam xuc)) van anh ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (so sach)) ky nang x hoi. hieu doc ((chat xuc) OR (cam xuc)) van anh ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (so sach)) ky nang x hoi. hieu doc ((chat xuc) OR (cam xuc)) van anh ve cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (so sach)) ky nang x hoi. hieu doc ((chat xuc) OR (cam xuc)) van anh ve cua tre*.