Perhaps you should try some spelling variations:
"coder and coverage class regression" » "coder and coverage lasso regression" (Expand search), "coder and coverage mass regression" (Expand search), "coder and coverage class regressive" (Expand search), "coder and coverage access regression" (Expand search), "coder and coverage maps regression" (Expand search), "coder and cover class regression" (Expand search), "code and coverage class regression" (Expand search), "codes and coverage class regression" (Expand search), "poder and coverage class regression" (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 regression\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and coverage class regression ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and coverage class regression") OR ("api python python python programming"))*.