Perhaps you should try some spelling variations:
"variance optimization python python programming" » "surface optimization python python programming" (Expand search), "engine optimization python python programming" (Expand search), "value optimization python python programming" (Expand search), "variance optimization method python programming" (Expand search), "variance optimization option python programming" (Expand search), "variance optimization methods python programming" (Expand search), "variance optimization pythons python programming" (Expand search), "variance optimization piton python programming" (Expand search), "variance optimization pitons python programming" (Expand search)
"coder solution with complete program" » "coder solution with compete program" (Expand search), "coder solution with complex program" (Expand search), "coder solution with incomplete programs" (Expand search), "code solution with complete program" (Expand search), "powder solution with complete program" (Expand search), "copper solution with complete program" (Expand search), "coder solutions with complete program" (Expand search), "coder solution with composite program" (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 solution with complete program\") OR (\"variance optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder solution with complete program ) OR ( variance optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder solution with complete program") OR ("variance optimization python python programming"))*.