Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
cua triet » cua viet, su triet, va triet
hien cac » thien cac, vien cac, hieu cac
nang xa » nang x, lang xa, nang ma
cac bao » cach bao, cac bai, cac ban
va dinh » van dinh, va kinh, va tinh
dinh va » dinh van, dinh ve, tinh va
cua tre » cua te, dua tren, cua thep
cuu tre » cau tren, cau treo
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
bao va » bao ve, tao va, ban va

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 sai ky nang xa hoi. hieu hien cac bao va dinh va ((((cua tre) OR (cuu tre))) OR (cua triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang xa hoi. hieu hien cac bao va dinh va ((((cua tre) OR (cuu tre))) or (cua triet))~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang xa hoi. hieu hien cac bao va dinh va ((((cua tre) OR (cuu tre))) or (cua triet))*.