Perhaps you should try some spelling variations:
transformation series » transition series
information service » information services, information security
dis information » mis information, aids information, des informations
can digital » born digital, data digital
palm dis » palma das, palm oil, palm os

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

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