Perhaps you should try some spelling variations:
"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)
"coder coder data signal processing" » "coder decoder data signal processing" (Expand search), "code code data signal processing" (Expand search), "decoder codec data signal processing" (Expand search), "coder coder data signals processing" (Expand search), "coder coder aba signal processing" (Expand search), "coder coder beta signals processing" (Expand search), "coder cover data signal processing" (Expand search), "coder code data signal processing" (Expand search), "coder border data signal processing" (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 coder data signal processing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder data signal processing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder data signal processing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder data signal processing") OR ("api python python python programming"))*.