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 coding mfcc and coding" » "modern coding mfcc and coding" (Expand search), "color coding mfcc and coding" (Expand search), "odor coding mfcc and coding" (Expand search), "coder coding mac and coding" (Expand search), "coder coding mfcc and coping" (Expand search), "coder coding mfcc and cooling" (Expand search), "coder coding mfcc and cooking" (Expand search), "coder coding bncc and coding" (Expand search), "coder coding scc and coding" (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 coding mfcc and coding") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding mfcc and coding\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding mfcc and coding ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding mfcc and coding") OR ("api python python python programming"))*.