Perhaps you should try some spelling variations:
hanh dao » lanh dao, thanh dat, thanh dam
tu sach » thu sach, su sach, te sach
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
sach ky » sac ky, sach y, sach ty
xuc van » duc van, luc van, thuc van
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
va cam » va cham, va cac, va cao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. hieu va cam ((xuc van) OR (xuc ban)) hanh dao ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. hieu va cam ((xuc van) OR (xuc ban)) hanh dao ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu va cam ((xuc van) OR (xuc ban)) hanh dao ((cua tre) or (cuu tre))*.