Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
van dinh » van minh, va dinh, xuan dinh
hien cac » thien cac, vien cac, hieu cac
cac lao » ca lao, cac loai, cac giao
tu sach » thu sach, su sach, tu cach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
va cua » va chua, via cua, ca 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: ((tu sach) OR (te sach)) ky lang xa hoi. hieu hien cac lao ((van dinh) OR (van dich)) va cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky lang xa hoi. hieu hien cac lao ((van dinh) OR (van dich)) va cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky lang xa hoi. hieu hien cac lao ((van dinh) OR (van dich)) va cua tre*.