Perhaps you should try some spelling variations:
"coder coder recursive feedback program" » "coder coder recursive feedback prova" (Expand search), "coder coder recursive feedback from" (Expand search), "coder coder recursive feedback process" (Expand search), "coder novel recursive feedback program" (Expand search), "coder control recursive feedback program" (Expand search), "coder modelo recursivo feedback program" (Expand search), "coder decoder recursive feedback program" (Expand search), "code code recursive feedback program" (Expand search), "decoder codec recursive feedback program" (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)

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 recursive feedback program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder recursive feedback program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder recursive feedback program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder recursive feedback program") OR ("api python python python programming"))*.