Perhaps you should try some spelling variations:
"psychiatrisches" » "psychiatrische", "psychiatrischen", "psychiatrischer"
"psychiatrist" » "psychiatrists", "psychiatric", "psychiatrische"
"psychiatrie" » "psychiatric", "psychiatry"

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: (("psychiatrisches" OR "psychiatrist") OR "psychiatrie")*.
• Removing quotes may allow a broader search: (( psychiatrisches or psychiatrist ) or psychiatrie )*.