Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
sach ky » sac ky, sach ty, sach kem
me chua » nem chua, ve chuan
ve chua » ve chuan, va chua, ve chu
va dinh » van dinh, va kinh, va tinh
hien ca » hien cac, hien cau, hien cua
lao va » tao va, cao va, bao va
ca lao » cua lao, ca dao, ca cao
x hoi » xa hoi, o hoi, x ho

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) OR (sach y)) nang x hoi. hieu hien ca lao va dinh ((ve chua) OR (me chua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sach y)) nang x hoi. hieu hien ca lao va dinh ((ve chua) or (me chua)) tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach y)) nang x hoi. hieu hien ca lao va dinh ((ve chua) or (me chua)) tre*.