Perhaps you should try some spelling variations:
"psychiatrische" » "psychiatric", "psychiatrie"
"psychiatrists" » "psychiatric", "psychiatrie"
"psychiatrics" » "psychiatric", "psychiatrica", "psychiatrisch"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ("psychiatrische" OR ("psychiatrists" OR "psychiatrics")).
• Removing quotes may allow a broader search: ( psychiatrische or ( psychiatrists or psychiatrics )).
• Adding a wildcard symbol may retrieve word variants: ("psychiatrische" or ("psychiatrists" or "psychiatrics"))*.