Perhaps you should try some spelling variations:
espana y » espanola y (Expand Search)
e della » e delle (Expand Search), e dell (Expand Search)
v del » y del (Expand Search), e del (Expand Search)
i de » y de (Expand Search)
e de » et de (Expand Search), y de (Expand Search), e di (Expand Search)
imperio » imperial (Expand Search)
roman » romana (Expand Search), roma (Expand Search)
germanico » germanica (Expand Search), germanicae (Expand Search)

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: carlos ((i de) OR (e de)) espana y ((v del) OR (e della)) sacro imperio roman germanico~.
• Adding a wildcard symbol may retrieve word variants: carlos ((i de) or (e de)) espana y ((v del) or (e della)) sacro imperio roman germanico*.