Perhaps you should try some spelling variations:
collaborative social » collaborative goal, collaborative capital, collaborative cell
collaborative roles » collaborative process, collaborative problem, collaborative forest
steenland digital » sweetland digital, stand digital
digital rhetoric » digital record, digital theorien, visual rhetoric

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

• Performing a fuzzy search may retrieve terms with similar spellings: steenland digital rhetoric ((collaborative roles) or (collaborative social))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: steenland digital rhetoric ((collaborative roles) OR (collaborative social)).
• Adding a wildcard symbol may retrieve word variants: steenland digital rhetoric ((collaborative roles) or (collaborative social))*.