Perhaps you should try some spelling variations:
biologicae » biological, biologische, biologicals, biologieae, biologicalae, biologyae
biologically » biological, biologieally, biologicalally, biologyally
biologen » biology, biologie
biologic » biologie, biological, biology

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: (((biologicae OR biologically) OR biologen) OR biologic).
• Adding a wildcard symbol may retrieve word variants: (((biologicae or biologically) or biologen) or biologic)*.