Perhaps you should try some spelling variations:
german » gehrmann (Expand Search)
germans » gehrmanns (Expand Search)
gehrmanns » gehrmann (Expand Search), lehmanns (Expand Search)
hermanns » herrmann (Expand Search), lehmanns (Expand Search), ermanns (Expand Search), herrmannns (Expand Search)
hermann » ermann (Expand Search), herrmannn (Expand Search)
herman » erman (Expand Search), herrmann (Expand Search)
dermann » herrmann (Expand Search), gehrmann (Expand Search), niermann (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((german OR hermann) OR (germans OR (gehrmanns OR ((hermanns OR herman) OR dermann)))) empire~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((german OR hermann) OR (germans OR (gehrmanns OR ((hermanns OR herman) OR dermann)))) empire*".