Perhaps you should try some spelling variations:
based presentation » based representation, case presentation, brief presentation
presentation care » presentation large, presentation ease, presentation award
across modes » across borders
care studies » case studies, career studies, scale studies
across one » across more, across nine, across new

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: commercial ((across one) OR (across modes)) based presentation care studies.~.
• Adding a wildcard symbol may retrieve word variants: commercial ((across one) or (across modes)) based presentation care studies.*.