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 solution with back program" » "code solution with back program" (Expand search), "powder solution with back program" (Expand search), "copper solution with back program" (Expand search), "coder solutions with back program" (Expand search), "coder solution with book program" (Expand search), "coder solution with rank program" (Expand search), "coder solution with book programs" (Expand search), "coder solution with black program" (Expand search), "coder solution switch back 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: (("coder solution with back program") OR ("and optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder solution with back program\") OR (\"and optimization python python programming\"))".
• Removing quotes may allow a broader search: (( coder solution with back program ) OR ( and optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder solution with back program") OR ("and optimization python python programming"))*.