Perhaps you should try some spelling variations:
"resources research series" » "research research series", "resources research services", "resources research theories", "resources research studies"
"residues research series" » "residents research series", "issues research series", "residues research services", "residues research theories", "residues research studies"
"residue research series" » "residual research series", "resident research series", "residents research series", "residue research services", "residue research theories", "residue research studies"
"rescue research series" » "rescue search series", "resource research series", "tissue research series", "rescue research services", "rescue research theories", "rescue research studies"
"resins research series" » "resins research services", "resins research theories", "resins research studies", "results research series", "relations research series", "questions research series"

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