Perhaps you should try some spelling variations:
collaborative series » collaborative services, collaborative studies, collaborative agencies
collaborative roles » collaborative process, collaborative problem, collaborative forest
wetlands digital » sweetland digital, methods 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: wetlands digital rhetoric ((collaborative series) OR (collaborative roles))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wetlands digital rhetoric ((collaborative series) OR (collaborative roles))".
• Adding a wildcard symbol may retrieve word variants: wetlands digital rhetoric ((collaborative series) OR (collaborative roles))*.