Perhaps you should try some spelling variations:
"coder coding using signal processor" » "coder coding using signal processing" (Expand search), "modern coding using signal processor" (Expand search), "color coding using signal processor" (Expand search), "odor coding using signal processor" (Expand search), "coder loading using signal processor" (Expand search), "coder modeling using signal processor" (Expand search), "coder drying using signal processor" (Expand search), "coder coding using single processor" (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 coding using signal processor") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding using signal processor\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding using signal processor ) OR ( api python python python programming ))*.