Perhaps you should try some spelling variations:
"coder detection python signal processing" » "coder detection method signal processing" (Expand search), "coder detection methods signal processing" (Expand search), "coder detection actions signal processing" (Expand search), "code detection python signal processing" (Expand search), "border detection python signal processing" (Expand search), "corner detection python signal processing" (Expand search), "coder detection motion signal processing" (Expand search), "coder detection proton signal processing" (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 detection python signal processing\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder detection python signal processing ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder detection python signal processing") OR ("api python python python programming"))*.