Perhaps you should try some spelling variations:
"variance optimization in coding program" » "surface optimization in coding program" (Expand search), "engine optimization in coding program" (Expand search), "value optimization in coding program" (Expand search), "variance optimization and coding program" (Expand search), "variance optimization _ coding program" (Expand search), "variance optimization in cloning program" (Expand search), "variance optimization in loading program" (Expand search), "variance optimization in cooling programs" (Expand search), "variance optimization on coding program" (Expand search), "variance optimization in decoding program" (Expand search), "variance optimization non coding program" (Expand search)
"advanced functions python python programming" » "advanced selections python python programming" (Expand search), "advanced solutions python python programming" (Expand search), "advanced functionality python python programming" (Expand search), "advanced functions methods python programming" (Expand search), "advanced functions 4th python programming" (Expand search), "advanced functions pen python programming" (Expand search), "advanced functions pythons python programming" (Expand search), "advanced functions piton python programming" (Expand search), "advanced functions pitons python 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: "((\"variance optimization in coding program\") OR (\"advanced functions python python programming\"))~".
• Removing quotes may allow a broader search: (( variance optimization in coding program ) OR ( advanced functions python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("variance optimization in coding program") OR ("advanced functions python python programming"))*.