Perhaps you should try some spelling variations:
"variance optimization from python programming" » "surface optimization from python programming" (Expand search), "engine optimization from python programming" (Expand search), "value optimization from 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 from pathogen programming" (Expand search), "variance optimization from anthony programming" (Expand search)
"_ convolutional using loading program" » "_ convolutional ring loading program" (Expand search), "_ convolutional coding loading program" (Expand search), "_ convolutional long loading program" (Expand search), "_ convolutional using reading program" (Expand search), "_ convolutional using breading program" (Expand search), "_ convolutional using reading programs" (Expand search), "_ convolutional using locking program" (Expand search), "_ convolutional using shading program" (Expand search), "_ convolutional using coding 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: "((\"_ convolutional using loading program\") OR (\"variance optimization from python programming\"))~".
• Removing quotes may allow a broader search: (( _ convolutional using loading program ) OR ( variance optimization from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("_ convolutional using loading program") OR ("variance optimization from python programming"))*.