Perhaps you should try some spelling variations:
"palm digital information sources" » "palm digital information resources", "palm digital information services", "palm digital information security", "palm digital transformation sources", "palm fiscal information sources", "farm digital information sources", "from digital information sources", "bim digital information sources"
"cross sectional transport policy" » "cross regional transport policy", "cross national transport policy", "cross external transport policy", "across sectional transport policy", "gross sectional transport policy"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("palm digital information sources") or ("cross sectional transport policy"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("palm digital information sources") OR ("cross sectional transport policy"))*.
• Removing quotes may allow a broader search: (( palm digital information sources ) or ( cross sectional transport policy ))*.