Perhaps you should try some spelling variations:
"based optimization python python programming" » "based optimization method python programming" (Expand search), "based optimization option python programming" (Expand search), "based optimization methods python programming" (Expand search), "and optimization python python programming" (Expand search), "based optimization pythons python programming" (Expand search), "based optimization piton python programming" (Expand search), "based optimization pitons python programming" (Expand search)
"coder modulation and coding problems" » "coded modulation and coding problems" (Expand search), "code modulation and coding problems" (Expand search), "power modulation and coding problems" (Expand search), "coder modulation and loading problems" (Expand search), "coder modulation and counting problems" (Expand search), "coder modulation and covering problems" (Expand search), "coder modulation in coding problems" (Expand search), "coder modulation of coding problems" (Expand search), "coder modulation and coping problems" (Expand search), "coder modulation and cooling problems" (Expand search), "coder modulation and cooking problems" (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 modulation and coding problems\") OR (\"based optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder modulation and coding problems ) OR ( based optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder modulation and coding problems") OR ("based optimization python python programming"))*.