Perhaps you should try some spelling variations:
"coder and decoding speech processing" » "coder and coding speech processing" (Expand search), "coder and reading speech processing" (Expand search), "coder and reporting speech processing" (Expand search), "coder and decaying speech processing" (Expand search), "coder and decline speech processing" (Expand search), "code and decoding speech processing" (Expand search), "codes and decoding speech processing" (Expand search), "poder and decoding speech 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 and decoding speech processing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and decoding speech processing\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder and decoding speech processing ) OR ( api python python python programming ))*.