Perhaps you should try some spelling variations:
hinrichs » henrich (Expand Search), hinsicht (Expand Search)
enrich » enriched (Expand Search)
heine" » heinle" (Expand Search), heinz" (Expand Search), heike" (Expand Search), hine" (Expand Search), hsine" (Expand Search), heie" (Expand Search)
hine" » shine" (Expand Search), hinge" (Expand Search), khine" (Expand Search)
heinrich » hinrich (Expand Search), hsinrich (Expand Search), heirich (Expand Search)
hein" » hin" (Expand Search), hsin" (Expand Search), hei" (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 (hinrichs OR hindrichs)) OR enrich) (((heine\" OR hine\") OR hein\") OR vein\")~".
• Removing quotes may allow a broader search: ((heinrich OR (hinrichs OR hindrichs)) OR enrich) (((heine OR hine ) OR hein ) OR vein )~.
• Adding a wildcard symbol may retrieve word variants: "((heinrich OR (hinrichs OR hindrichs)) OR enrich) (((heine" OR hine") OR hein") OR vein")*.