Perhaps you should try some spelling variations:
van nang » van quang, van ban, van dong
nang va » nang van, hang va, nang ma
duc van » duc va, duc tan, duc manh
van dam » van dao, van dau, van lam
vu sach » vu bach, vu khach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
su sach » so sach
cua tre » cua te, cuu tre, cua triet
va cua » va chua, via cua, ca 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: ((vu sach) OR (su sach)) ky lang xa hoi. hieu ((van dam) OR (van nam)) duc van nang va cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) OR (su sach)) ky lang xa hoi. hieu ((van dam) or (van nam)) duc van nang va cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) OR (su sach)) ky lang xa hoi. hieu ((van dam) or (van nam)) duc van nang va cua tre*.