Perhaps you should try some spelling variations:
heinker » heinkeer (Expand Search), heineer (Expand Search), einker (Expand Search), meinker (Expand Search), seinker (Expand Search)
heink » heinke (Expand Search), heine (Expand Search), eink (Expand Search), meink (Expand Search), seink (Expand Search)
heiner » einer (Expand Search), meiner (Expand Search), seiner (Expand Search)
heinz » einz (Expand Search), meinz (Expand Search), seinz (Expand Search)
heinzk » einzk (Expand Search), meinzk (Expand Search), seinzk (Expand Search)
hein » ein (Expand Search), mein (Expand Search), sein (Expand Search)
henne » heyne (Expand Search), henn (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: a. ((((heiner OR eine) OR (meiner OR heinker)) OR ((heink OR heinz) OR heinzk)) OR (hein OR henne))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "a. ((((heiner OR eine) OR (meiner OR heinker)) OR ((heink OR heinz) OR heinzk)) OR (hein OR henne))".
• Adding a wildcard symbol may retrieve word variants: a. ((((heiner OR eine) OR (meiner OR heinker)) OR ((heink OR heinz) OR heinzk)) OR (hein OR henne))*.