Perhaps you should try some spelling variations:
"coder precoder improving learning programming" » "coder precoder improving learning programme" (Expand search), "coder precoder improving teaching programming" (Expand search), "coder precoder improving learning program" (Expand search), "coder procedures improving learning programming" (Expand search), "coder precoder improve learning programming" (Expand search), "coder decoder improving learning programming" (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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder precoder improving learning programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder improving learning programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder improving learning programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder improving learning programming") OR ("api python python python programming"))*.