Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, tu cach
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, xuc ban
hieu va » lieu va, hieu qua
hieu ve » hieu van
cua tre » cua te, cuu tre, cua triet
te sach » toc sach
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di 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 sach) OR (te sach)) ky nang x hoi. ((hieu ve) or (hieu va)) cam xuc van anh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang x hoi. ((hieu ve) OR (hieu va)) cam xuc van anh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ky nang x hoi. ((hieu ve) or (hieu va)) cam xuc van anh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ky nang x hoi. ((hieu ve) or (hieu va)) cam xuc van anh vi cua tre*.