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), "manim python python python programming" (Expand search)
"coder coder match signal processing" » "coder coder matter signal processing" (Expand search), "coder coder with signal processing" (Expand search), "coder coder death signal processing" (Expand search), "coder decoder match signal processing" (Expand search), "code code match signal processing" (Expand search), "decoder codec match signal processing" (Expand search), "coder color match signal processing" (Expand search), "coder soccer match 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 match signal processing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder match signal processing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder match signal processing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder match signal processing") OR ("api python python python programming"))*.