Perhaps you should try some spelling variations:
"coder precoder severity c programming" » "coder greater severity c programming" (Expand search), "coder decoder severity c programming" (Expand search), "coder precoder severity _ programming" (Expand search), "coder precoder severity cone programming" (Expand search), "coder precoder severity and programming" (Expand search), "coder precoder severity 4 programming" (Expand search), "coder precoder severity 5 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 severity c programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder severity c programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder severity c programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder severity c programming") OR ("api python python python programming"))*.