Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien cac » thien cac, vien cac, hieu cac
van dinh » van minh, van dich, va dinh
tu cach » tu cac
cua tre » cua te, cua triet, dua tren
dinh va » dinh van, dinh ve, tinh va
lao van » dao van, cao van, lo van
cac lao » ca lao, cac loai, cac giao
nang xa » nang x, lang xa, nang ma
te sach » toc sach
cuu tre » cau tren, cau treo

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