Perhaps you should try some spelling variations:
"coder precoder limits teaching programming" » "coder precoder limits teaching program" (Expand search), "coder parecer limits teaching programming" (Expand search), "coder precoder limit teaching programming" (Expand search), "coder precoder clinics teaching programming" (Expand search), "coder precoder its teaching programming" (Expand search), "coder decoder limits teaching 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 limits teaching programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder limits teaching programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder limits teaching programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder limits teaching programming") OR ("api python python python programming"))*.