Perhaps you should try some spelling variations:
"residue research series" » "residues research series", "residual research series", "resident research series", "residue research services", "residue research theories", "residue research summaries"
"residue research service" » "residues research service", "residual research service", "resident research service", "residue search service", "residue research overview", "residue research section"
"residue research studies" » "residues research studies", "residual research studies", "resident research studies"
"residue research study" » "residues research study", "residual research study", "resident research study"
"rescue research series" » "rescue search series", "resource research series", "tissue research series", "rescue research services", "rescue research theories", "rescue research summaries"

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