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)
"coder coder from functional approach" » "coder decoder from functional approach" (Expand search), "code code from functional approach" (Expand search), "decoder codec from functional approach" (Expand search), "coder code from functional approach" (Expand search), "coder codes from functional approach" (Expand search), "coder cover from functional approach" (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 from functional approach") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder from functional approach\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder from functional approach ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder from functional approach") OR ("api python python python programming"))*.