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 in basic programming" » "coder solution in based programming" (Expand search), "coder solution in logic programming" (Expand search), "coder solution in conic programming" (Expand search), "code solution in basic programming" (Expand search), "copper solution in basic programming" (Expand search), "powder solution in basic programming" (Expand search), "coder solutions in basic programming" (Expand search), "coder solution and basic programming" (Expand search), "coder solution _ basic programming" (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 in basic programming\") OR (\"variance optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder solution in basic programming ) OR ( variance optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder solution in basic programming") OR ("variance optimization python python programming"))*.