Perhaps you should try some spelling variations:
"coder coder digital audio processing" » "coder coder digital auditory processing" (Expand search), "coder coder digital video processing" (Expand search), "coder coder digital during processing" (Expand search), "coder code digital audio processing" (Expand search), "coder modern digital audio processing" (Expand search), "coder model digital audio processing" (Expand search), "coder decoder digital audio processing" (Expand search), "code code digital audio processing" (Expand search), "decoder codec digital audio 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), "manim 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 coder digital audio processing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder digital audio processing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder digital audio processing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder digital audio processing") OR ("api python python python programming"))*.