Perhaps you should try some spelling variations:
"coder precoder kernel step programming" » "coder precoder kernel system programming" (Expand search), "coder precoder kernel free programming" (Expand search), "coder precoder kernel systems programming" (Expand search), "coder decoder kernel step programming" (Expand search), "coder precoder kernel shell programming" (Expand search), "coder precoder kernel shape programming" (Expand search), "coder precoder kernel peste 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 kernel step programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder kernel step programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder kernel step programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder kernel step programming") OR ("api python python python programming"))*.