Perhaps you should try some spelling variations:
"journal of european food trade research" » "journal of european food peace research", "journal of european food rice research", "journal of european food care research", "journal of european film trade research"
"journal of european debt impact research" » "journal of european data impact research", "journal of european net impact research", "journal of european test impact research", "journal of european direct impact research"

Try widening your search to All Fields.

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 debt impact research") or ("journal of european food trade research"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("journal of european debt impact research") OR ("journal of european food trade research")).
• Removing quotes may allow a broader search: (( journal of european debt impact research ) or ( journal of european food trade research )).
• Adding a wildcard symbol may retrieve word variants: (("journal of european debt impact research") or ("journal of european food trade research"))*.