Perhaps you should try some spelling variations:
structure functionsism » structure functioning, structural functionalism, structure functionality
structures functions » structure function, structure functional, structural functional
structure functions » structure function

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: ((((structure functionsism) OR (structure functions))) OR (structures functions)).
• Adding a wildcard symbol may retrieve word variants: ((((structure functionsism) or (structure functions))) or (structures functions))*.