Perhaps you should try some spelling variations:
"optimates and popular" » "estimates and popular"
"optimates and populate" » "estimates and populate", "optimates and postulate"
"optimates and populated" » "estimates and populated", "optimates and postulated", "optimates and modulated"
"optimates and modulate" » "estimates and modulate", "optimates and module", "optimates and moderate", "optimates and modular"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("optimates and popular") or ((((("optimates and populate") OR ("optimates and populated"))) or ("optimates and modulate"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("optimates and popular") OR ((((("optimates and populate") OR ("optimates and populated"))) OR ("optimates and modulate")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"optimates and popular\") or (((((\"optimates and populate\") OR (\"optimates and populated\"))) or (\"optimates and modulate\"))))".
• Removing quotes may allow a broader search: (( optimates and popular ) or ((((( optimates and populate ) OR ( optimates and populated ))) or ( optimates and modulate )))).
• Adding a wildcard symbol may retrieve word variants: (("optimates and popular") or ((((("optimates and populate") OR ("optimates and populated"))) or ("optimates and modulate"))))*.