Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thu sach » tu sach, thuat sach, thuoc sach
tran anh » tran manh, tuan anh, tran thanh
hai cua » thai cua, dai cua, hoi cua
van anh » tuan anh, van minh
dau xuc » dau xac, dau xua, dau nuoc
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va dau » va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang xa hoi. hieu va dau xuc ((((van anh) OR (van thanh))) or (tran anh)) hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. hieu va dau xuc ((((van anh) OR (van thanh))) OR (tran anh)) hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang xa hoi. hieu va dau xuc ((((van anh) OR (van thanh))) or (tran anh)) hai cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. hieu va dau xuc ((((van anh) OR (van thanh))) or (tran anh)) hai cua tre*.