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