Perhaps you should try some spelling variations:
"hermann historical institutes moscow" » "hermann historical institute moscow" (Expand Search), "hermann historical institut moscow" (Expand Search), "hermann historical institutul moscow" (Expand Search)
"german historical instituts moscow" » "germans historical instituts moscow" (Expand Search), "gehrmann historical instituts moscow" (Expand Search), "german historical institut moscow" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"hermann historical institutes moscow\") OR (\"german historical instituts moscow\"))~".
• Removing quotes may allow a broader search: (( hermann historical institutes moscow ) OR ( german historical instituts moscow ))~.
• Adding a wildcard symbol may retrieve word variants: (("hermann historical institutes moscow") OR ("german historical instituts moscow"))*.