Perhaps you should try some spelling variations:
danh dien » dinh dien, danh kien, danh lien
dien cuc » dien tu, dieu cua, vien cac
te sach » toc sach
lang xa » lang ha, dang xay, lang van
hieu va » hieu qua
va danh » va dinh, va dan, va hanh
soc va » hoc va, loc va, doc va
cuc te » cua te, cuc thue, cuc tieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach _ lang xa hoi. ((hieu va) or (lieu va)) cham soc va danh dien cuc te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach _ lang xa hoi. ((hieu va) OR (lieu va)) cham soc va danh dien cuc te*.