Perhaps you should try some spelling variations:
"cure research theories" » "cure research theory", "cure research themes", "cure research topics", "curve research theories", "care research theories", "core research theories"
"scope research series" » "scope research services", "scope research service", "scope research summaries", "core research series", "code research series", "europe research series"
"scope research studies" » "core research studies", "code research studies", "europe research studies"
"scope research study" » "core research study", "code research study", "europe research study"

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