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)
"coder pollution process coding program" » "coder pollution processes coding program" (Expand search), "coder solution process coding program" (Expand search), "coder pollution problems coding program" (Expand search), "copper pollution process coding program" (Expand search), "bodies pollution process coding program" (Expand search), "coder pollution process according program" (Expand search), "coder pollution process code program" (Expand search), "coder pollution process chain program" (Expand search), "coder pollution process cloning program" (Expand search), "coder pollution process loading program" (Expand search), "coder pollution process cooling programs" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder pollution process coding program\") OR (\"and optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder pollution process coding program ) OR ( and optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder pollution process coding program") OR ("and optimization python python programming"))*.