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