Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
ban thai » ban than, ban thi, ban tai
thai cua » than cua, tai cuc, tri cua
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
van hau » van ha, van hai, van dau
hau xuc » chat xuc
xuc can » xuc cam, xuc ban, luc canh
can ban » van ban, toan ban
cua tre » cua te, cuu tre, cua triet
co hai » co dai, co hoi, so hai
o hai » so hai, o lai, _ hai

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 ky nang ((o hai) OR (co hai)). hieu van hau xuc can ban thai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ((o hai) OR (co hai)). hieu van hau xuc can ban thai cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((o hai) OR (co hai)). hieu van hau xuc can ban thai cua tre*.