Perhaps you should try some spelling variations:
"optimates and populares" » "optimates and popularly", "optimates and populated"
"estimates and populares" » "estimates and popularly", "estimates and populated", "estimate and populares", "estimated and populares"
"optimates and populate" » "optimates and populated", "optimates and postulate", "optimates and modulate"

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