Perhaps you should try some spelling variations:
medical information » medical informatics, technical information, empirical information
social interaction » social interactions, social integration
interaction survey » interaction series, international survey, interaction studies
global medical » global media
deal social » real social, deadly social, legal social

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: (( global medical information services ) OR ( deal social interaction survey ))~.
• Adding a wildcard symbol may retrieve word variants: (( global medical information services ) or ( deal social interaction survey ))*.