Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
vien dai » hien dai
nang xa » nang x, lang xa, nang ma
vu sach » vu bach, su sach, vu khach
dai bao » dam bao, da bao, tai bao
va danh » va dinh, va dan, va hanh
te sach » toc sach
bao va » bao ve, tao va, ban va
va cua » va chua, via cua, ma cua
ca cua » co 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) OR (vu sach)) ky nang xa hoi. hieu vien dai bao va danh ((va cua) OR (ca cua)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (vu sach)) ky nang xa hoi. hieu vien dai bao va danh ((va cua) OR (ca cua)) triet~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (vu sach)) ky nang xa hoi. hieu vien dai bao va danh ((va cua) OR (ca cua)) triet*.