Perhaps you should try some spelling variations:
"coder function and teaching programming" » "coder function and teaching program" (Expand search), "modern function and teaching programming" (Expand search), "power function and teaching programming" (Expand search), "over function and teaching programming" (Expand search)
"and optimization python python programming" » "and optimization method python programming" (Expand search), "and optimization option python programming" (Expand search), "and optimization methods python programming" (Expand search), "and optimization pythons python programming" (Expand search), "and optimization piton python programming" (Expand search), "and optimization pitons 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 function and teaching programming") OR ("and optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder function and teaching programming\") OR (\"and optimization python python programming\"))".
• Removing quotes may allow a broader search: (( coder function and teaching programming ) OR ( and optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder function and teaching programming") OR ("and optimization python python programming"))*.