Perhaps you should try some spelling variations:
"variance optimization an python programming" » "surface optimization an python programming" (Expand search), "engine optimization an python programming" (Expand search), "value optimization an python programming" (Expand search), "variance optimization and python programming" (Expand search), "variance optimization _ python programming" (Expand search), "variance optimization by python programming" (Expand search), "variance optimization in python programming" (Expand search), "variance optimization on python programming" (Expand search)
"coder solution with coding program" » "code solution with coding program" (Expand search), "powder solution with coding program" (Expand search), "copper solution with coding program" (Expand search), "coder solution with cloning program" (Expand search), "coder solution with loading program" (Expand search), "coder solution with cooling programs" (Expand search), "coder solutions with coding program" (Expand search), "coder solution with cooking program" (Expand search), "coder solution with cocaine 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 coding program\") OR (\"variance optimization an python programming\"))~".
• Removing quotes may allow a broader search: (( coder solution with coding program ) OR ( variance optimization an python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder solution with coding program") OR ("variance optimization an python programming"))*.