Perhaps you should try some spelling variations:
dinh dien » tinh dien, kinh dien, dich dien
dien cua » dieu cua, dien cuc, dien cu
te sach » toc sach
sach va » sach xa, sach ha, sach dao
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
goc va » hoc va, doc va, uoc va
loc va » hoc va, luc va
cua te » cua tu

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 va ((nang xa) OR (nang ma)) hoi. hieu ve cham ((goc va) OR (loc va)) dinh dien cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach va ((nang xa) OR (nang ma)) hoi. hieu ve cham ((goc va) or (loc va)) dinh dien cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach va ((nang xa) OR (nang ma)) hoi. hieu ve cham ((goc va) or (loc va)) dinh dien cua te*.