Perhaps you should try some spelling variations:
german » gehrmann (Expand Search)
germans » gehrmanns (Expand Search)
germanss » gehrmannss (Expand Search), germani (Expand Search), germany (Expand Search)
germanii » gehrmannii (Expand Search)
germania » gehrmannia (Expand Search)
germanen » gehrmannen (Expand Search), hermann (Expand Search), gehrmann (Expand Search), dermann (Expand Search)
gehrmanns » gehrmann (Expand Search), lehmanns (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 (gehrmanns OR germans)) OR ((germanss OR (germanii OR germania)) OR germanen)) empire~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((german OR (gehrmanns OR germans)) OR ((germanss OR (germanii OR germania)) OR germanen)) empire*".