Perhaps you should try some spelling variations:
"using computation using optmization problem" » "using computation using optimization problem" (Expand search), "using computation using optimization problems" (Expand search), "using computation using optimisation problem" (Expand search), "using computational using optmization problem" (Expand search), "using imputation using optmization problem" (Expand search), "using compilation using optmization problem" (Expand search), "using computations using optmization problem" (Expand search), "using computation in optmization problem" (Expand search), "using composition using optmization problem" (Expand search), "using computation sising optimization problem" (Expand search), "using computation using atomization problem" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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 computation using optmization problem\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( using computation using optmization problem ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation using optmization problem") OR ("using python python python programming"))*.