Perhaps you should try some spelling variations:
"hinrich hinz" » "hinrichs hinz" (Expand Search), "henrich hinz" (Expand Search), "hindrichs hinz" (Expand Search)
"heinrich heinz" » "hinrich hinz" (Expand Search), "veinrich veinz" (Expand Search), "hsinrich hsinz" (Expand Search)
"enrich heinz" » "enrich hinz" (Expand Search), "enrich veinz" (Expand Search), "enrich hsinz" (Expand Search)
"heinrich hein" » "hinrich hin" (Expand Search), "veinrich vein" (Expand Search), "hsinrich hsin" (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: (((((("heinrich heinz") OR ("enrich heinz"))) OR ("hinrich hinz"))) OR ("heinrich hein"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"heinrich heinz\") OR (\"enrich heinz\"))) OR (\"hinrich hinz\"))) OR (\"heinrich hein\"))*".
• Removing quotes may allow a broader search: (((((( heinrich heinz ) OR ( enrich heinz ))) OR ( hinrich hinz ))) OR ( heinrich hein ))*.