Perhaps you should try some spelling variations:
"rescue research theories" » "rescue research theory", "rescue research themes", "rescue research topics", "rescue search theories", "resource research theories", "issue research theories"
"residue research series" » "residues research series", "residual research series", "resident research series", "residue research services", "residue research studies", "residue research service"
"rescue research series" » "rescue search series", "resource research series", "issue research series", "rescue research services", "rescue research studies", "rescue research service"
"tissue research series" » "tissue research services", "tissue research studies", "tissue research service", "pressure research series", "disease research series"
"issues research series" » "issues research services", "issues research studies", "issues research service"

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 series") OR ("rescue research theories"))) OR ((("tissue research series") OR ("issues research series"))))) OR ("residue research series")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"rescue research series\") OR (\"rescue research theories\"))) or (((\"tissue research series\") or (\"issues research series\"))))) or (\"residue research series\"))".
• Removing quotes may allow a broader search: (((((( rescue research series ) OR ( rescue research theories ))) or ((( tissue research series ) or ( issues research series ))))) or ( residue research series )).
• Adding a wildcard symbol may retrieve word variants: (((((("rescue research series") OR ("rescue research theories"))) or ((("tissue research series") or ("issues research series"))))) or ("residue research series"))*.