Perhaps you should try some spelling variations:
danh dien » dinh dien, danh kien, danh lien
dien cua » dieu cua, dien cuc, dien cu
te sach » toc sach
hieu ve » hieu va, hieu van
sach ha » sach nha, sach han, sach xa
hieu vu » hieu va, hieu su, dieu vu
nang xa » nang x, lang xa, nang ma
ha nang » kha nang, hoa nang, da nang
soc va » hoc va, doc va, goc 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 ha nang xa hoi. ((hieu vu) OR (hieu ve)) cham ((soc va) OR (loc va)) danh dien cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ha nang xa hoi. ((hieu vu) OR (hieu ve)) cham ((soc va) or (loc va)) danh dien cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ha nang xa hoi. ((hieu vu) OR (hieu ve)) cham ((soc va) or (loc va)) danh dien cua te*.