Perhaps you should try some spelling variations:
"journal of european debt safety research" » "journal of european debt poverty research", "journal of european data safety research"
"journal of european road climate research" » "journal of european cold climate research", "journal of european broader climate research", "journal of european toward climate research"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("journal of european road climate research") OR ("journal of european debt safety research"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"journal of european road climate research\") OR (\"journal of european debt safety research\"))".
• Removing quotes may allow a broader search: (( journal of european road climate research ) OR ( journal of european debt safety research )).
• Adding a wildcard symbol may retrieve word variants: (("journal of european road climate research") OR ("journal of european debt safety research"))*.