Perhaps you should try some spelling variations:
des prasidenten » des patienten
prasidenten der » prasident des
amor actors » among actors, more actors, tumor factors
yang jin » yang jie, yang jun, ying jin
der amor » der humor, der am, el amor
wan yan » wang yan, nan yan, wai yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan ((yang jin) or (zhang fan)) des prasidenten der amor actors ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan ((yang jin) OR (zhang fan)) des prasidenten der amor actors ;*.