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)
"based functions in decoding program" » "based functions in welcoming program" (Expand search), "based functions in deworming program" (Expand search), "based functions in feeding program" (Expand search), "base functions in decoding program" (Expand search), "based function in decoding program" (Expand search), "based functional in decoding program" (Expand search), "based functions and decoding program" (Expand search), "based functions _ decoding program" (Expand search), "based functions in decaying program" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("based functions in decoding program") OR ("variance optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based functions in decoding program\") OR (\"variance optimization python python programming\"))".
• Removing quotes may allow a broader search: (( based functions in decoding program ) OR ( variance optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based functions in decoding program") OR ("variance optimization python python programming"))*.