Perhaps you should try some spelling variations:
"rescue research summaries" » "rescue research summary", "rescue research libraries", "residue research summaries", "rescue search summaries", "issue research summaries"
"resource research studies" » "resources research studies", "resource search studies", "source research studies", "resource research study"
"rescue research theories" » "rescue research theory", "rescue research themes", "rescue research topics", "residue research theories", "rescue search theories", "issue research theories"
"tissue research theories" » "tissue research theory", "tissue research themes", "tissue research topics", "issues research theories", "pressure research theories", "disease research theories"

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rescue research summaries") OR ("resource research studies"))) OR ((("rescue research theories") OR ("tissue research theories")))).
• Removing quotes may allow a broader search: (((( rescue research summaries ) or ( resource research studies ))) or ((( rescue research theories ) or ( tissue research theories )))).
• Adding a wildcard symbol may retrieve word variants: (((("rescue research summaries") or ("resource research studies"))) or ((("rescue research theories") or ("tissue research theories"))))*.