Perhaps you should try some spelling variations:
"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)
"based conceptions of coding program" » "and conceptions of coding program" (Expand search), "based conditions of coding program" (Expand search), "based corrections of coding program" (Expand search), "based perceptions of coding program" (Expand search), "based conceptions of cloning program" (Expand search), "based conceptions of loading program" (Expand search), "based conceptions of cooling programs" (Expand search), "based conceptions non coding program" (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: (("based conceptions of coding program") OR ("and optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based conceptions of coding program\") OR (\"and optimization python python programming\"))".
• Removing quotes may allow a broader search: (( based conceptions of coding program ) OR ( and optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based conceptions of coding program") OR ("and optimization python python programming"))*.