Perhaps you should try some spelling variations:
"coder application python signal processing" » "coder application method signal processing" (Expand search), "coder aplicativo python signal processing" (Expand search), "coder application methods signal processing" (Expand search), "code application python signal processing" (Expand search), "codes application python signal processing" (Expand search), "copper application python signal processing" (Expand search), "coder application motion signal processing" (Expand search), "coder application 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.

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