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 _ loading program" » "copper pollution _ loading program" (Expand search), "coder solution _ loading program" (Expand search), "bodies pollution _ loading program" (Expand search), "coder pollution _ reading program" (Expand search), "coder pollution _ breading program" (Expand search), "coder pollution _ reading 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 _ loading program\") OR (\"and optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder pollution _ loading program ) OR ( and optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder pollution _ loading program") OR ("and optimization python python programming"))*.