Perhaps you should try some spelling variations:
"using computational using rotating problem" » "and computational using rotating problem" (Expand search), "using computation using rotating problem" (Expand search), "using computations using rotating problem" (Expand search), "using computacional usinas rotating problem" (Expand search), "using computational using rotations problem" (Expand search), "using computational using routing problem" (Expand search), "using computational using relating problem" (Expand search), "using computational in rotating problem" (Expand search)
"using model python python programming" » "using model pythons python programming" (Expand search), "using model piton python programming" (Expand search), "using model pitons python programming" (Expand search), "using modulo python python programming" (Expand search), "using monty python python programming" (Expand search), "using tool python python programming" (Expand search), "ising model python python programming" (Expand search), "using modis python python programming" (Expand search), "using mobile python 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: "((\"using computational using rotating problem\") OR (\"using model python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational using rotating problem ) OR ( using model python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational using rotating problem") OR ("using model python python programming"))*.