Perhaps you should try some spelling variations:
information sources » information resources, information services, information security
social informatics » social information, medical informatics, local information
informatics series » information services
palm social » harm social, islam social, nepal social
palm 1 » palm _, palm v, palm 1.1

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( palm 1 information sources ) or ( palm social informatics series ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( palm 1 information sources ) OR ( palm social informatics series )).
• Adding a wildcard symbol may retrieve word variants: (( palm 1 information sources ) or ( palm social informatics series ))*.