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