Perhaps you should try some spelling variations:
"coder and coverage class effect" » "coder and coverage access effect" (Expand search), "coder and coverage maps effect" (Expand search), "coder and cover class effect" (Expand search), "coder and coverage class effects" (Expand search), "coder and coverage glass effects" (Expand search), "coder and coverage mass effect" (Expand search), "code and coverage class effect" (Expand search), "codes and coverage class effect" (Expand search), "poder and coverage class effect" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and coverage class effect\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and coverage class effect ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and coverage class effect") OR ("api python python python programming"))*.