Perhaps you should try some spelling variations:
"journal of european debt surges research" » "journal of european debt survey research", "journal of european debt budget research", "journal of european debt res research", "journal of european debt sources research", "journal of european debt burdens research"
"journal of europe how climate research" » "journal of europe from climate research", "journal of europe cold climate research"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"journal of europe how climate research\") OR (\"journal of european debt surges research\"))~".
• Removing quotes may allow a broader search: (( journal of europe how climate research ) OR ( journal of european debt surges research ))~.
• Adding a wildcard symbol may retrieve word variants: (("journal of europe how climate research") OR ("journal of european debt surges research"))*.