Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hoc sach » hoc sinh, hoc cac, hoc anh
te sach » toc sach
nang xa » nang x, lang xa, nang ma
qua cac » cua cac
xuc van » duc van, luc van, vuc van
xuc ban » duc ban, cuc ban, quoc ban
anh ve » hanh ve, anh va, anh viet
ve cua » le cua, de cua, te 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 (hoc sach)) ky nang xa hoi. hieu qua cac ((xuc van) OR (xuc ban)) anh ve cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (hoc sach)) ky nang xa hoi. hieu qua cac ((xuc van) OR (xuc ban)) anh ve cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (hoc sach)) ky nang xa hoi. hieu qua cac ((xuc van) OR (xuc ban)) anh ve cua triet*.