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 localization and coding program" » "node localization and coding program" (Expand search), "nodes localization and coding program" (Expand search), "core localization and coding program" (Expand search), "coder localization of coding program" (Expand search), "coder localization and cloning program" (Expand search), "coder localization and loading program" (Expand search), "coder localization and cooling programs" (Expand search), "coder localization and coping program" (Expand search), "coder localization and cooling program" (Expand search), "coder localization and cooking 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 localization and coding program\") OR (\"variance optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder localization and coding program ) OR ( variance optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder localization and coding program") OR ("variance optimization python python programming"))*.