Perhaps you should try some spelling variations:
hieu va » lieu va, hieu qua
van cua » vang cua, ban cua, dan cua
anh van » anh va, thanh van, doanh van
van anh » van thanh, tuan anh, van minh
xuc van » duc van, luc van, vuc van
dau xuc » dau xac, dau xua, dau nuoc
tu sach » thu sach, su sach, te sach
vu nang » vuc nang, va nang, vu dang
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, may nang
va dau » va dao
v nang » va nang, van nang, voi nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((y nang) or (((v nang) OR (vu nang)))) xa hoi. hieu va dau xuc van anh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (((v nang) OR (vu nang)))) xa hoi. hieu va dau xuc van anh van cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) or (((v nang) OR (vu nang)))) xa hoi. hieu va dau xuc van anh van cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (((v nang) OR (vu nang)))) xa hoi. hieu va dau xuc van anh van cua tre*.