Perhaps you should try some spelling variations:
rescue research » residue research, rescue search, resource research
scope research » europe research, cube research, cyclone research
cure research » curve research, care research, core research

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) OR (((scope research) OR (cure research)))) series.
• Adding a wildcard symbol may retrieve word variants: ((rescue research) or (((scope research) or (cure research)))) series*.