Perhaps you should try some spelling variations:
"coder and coverage index programing" » "coder and coverage line programing" (Expand search), "coder and coverage convex programming" (Expand search), "coder and coverage integer programing" (Expand search), "coder and coverage in programing" (Expand search), "coder and coverage and programing" (Expand search), "coder and cover index programing" (Expand search), "code and coverage index programing" (Expand search), "codes and coverage index programing" (Expand search), "poder and coverage index programing" (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)

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