Perhaps you should try some spelling variations:
"coder coder formal teaching programming" » "coder coder formal teaching program" (Expand search), "coder poder formal teaching programming" (Expand search), "coder poder forma teaching programming" (Expand search), "coder poder formas teaching programming" (Expand search), "coder decoder formal teaching programming" (Expand search), "code code formal teaching programming" (Expand search), "decoder codec formal teaching programming" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python 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 formal teaching programming") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder formal teaching programming\") OR (\"via python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder formal teaching programming ) OR ( via python python python programming ))*.