Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va danh, ban hanh
lang xa » lang ha, dang xay, lang van
hieu va » lieu va
ky lang » ky nang, ky dang, ky tang
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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: te sach ky lang xa hoi. ((hieu va) OR (hieu qua)) cam xuc ((va hanh) OR (va thanh)) vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. ((hieu va) or (hieu qua)) cam xuc ((va hanh) OR (va thanh)) vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. ((hieu va) or (hieu qua)) cam xuc ((va hanh) OR (va thanh)) vi cua tre*.