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 using data offloading program" » "coder using data loading program" (Expand search), "coder using data onboarding program" (Expand search), "coder using and offloading program" (Expand search), "coders using data offloading program" (Expand search), "cover using data offloading program" (Expand search), "code using data offloading 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 using data offloading program\") OR (\"variance optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder using data offloading program ) OR ( variance optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder using data offloading program") OR ("variance optimization python python programming"))*.