Perhaps you should try some spelling variations:
"journal of european plant science research" » "journal of european plans science research", "journal of european land science research", "journal of european patent science 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 plant science research"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("journal of european debt impact research") OR ("journal of european plant science research")).
• Removing quotes may allow a broader search: (( journal of european debt impact research ) or ( journal of european plant science research )).
• Adding a wildcard symbol may retrieve word variants: (("journal of european debt impact research") or ("journal of european plant science research"))*.