Perhaps you should try some spelling variations:
"coder precoder underlying efficient programming" » "coder precoder underlying efficient processing" (Expand search), "coder precoder underlying fragment programming" (Expand search), "coder precoder underlying event programming" (Expand search), "coder processes underlying efficient programming" (Expand search), "coder practices underlying efficient programming" (Expand search), "coder decoder underlying efficient 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 underlying efficient programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder underlying efficient programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder underlying efficient programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder underlying efficient programming") OR ("api python python python programming"))*.