Perhaps you should try some spelling variations:
"coder precoder courses c programming" » "coder decoder courses c programming" (Expand search), "coder precoder courses _ programming" (Expand search), "coder precoder courses cone programming" (Expand search), "coder precoder courses and programming" (Expand search), "coder precoder courses ch programming" (Expand search), "coder precoder courses 2 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 courses c programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder courses c programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder courses c programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder courses c programming") OR ("api python python python programming"))*.