Perhaps you should try some spelling variations:
enrich » enriched (Expand Search)
heiz\" » heitz\" (Expand Search), heis\" (Expand Search), heir\" (Expand Search), hueiz\" (Expand Search)
heinrich » hueinrich (Expand Search), veinrich (Expand Search), hsinrich (Expand Search), heanrich (Expand Search)
heinz\" » hueinz\" (Expand Search), veinz\" (Expand Search), hsinz\" (Expand Search), heanz\" (Expand Search)
hei\" » huei\" (Expand Search)
hein\" » huein\" (Expand Search), vein\" (Expand Search), hsin\" (Expand Search), hean\" (Expand Search)
hin\" » thin\" (Expand Search), chin\" (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: "\"\\"(heinrich OR enrich) ((heinz\\" OR (heiz\\" OR hei\\")) OR (hein\\" OR hin\\"))~\"".
• Removing quotes may allow a broader search: (heinrich OR enrich) ((heinz OR (heiz OR hei )) OR (hein OR hin ))~.