Perhaps you should try some spelling variations:
"coder code coverage objective function" » "coder code convergence objective function" (Expand search), "coder code coverage executive function" (Expand search), "coder care coverage objective function" (Expand search), "coder and coverage objective function" (Expand search), "coder the coverage objective function" (Expand search), "code code coverage objective function" (Expand search), "modern code coverage objective function" (Expand search), "color code coverage objective function" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder code coverage objective function") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code coverage objective function\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder code coverage objective function ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder code coverage objective function") OR ("api python python python programming"))*.