Perhaps you should try some spelling variations:
"code computation using optimization problem" » "code computation using optimization problems" (Expand search), "code computation time optimization problem" (Expand search), "code computations using optimization problem" (Expand search), "code computation in optimization problem" (Expand search), "code composition using optimization problem" (Expand search), "core computation using optimization problem" (Expand search), "code computational using optimization problem" (Expand search), "pose computation using optimization problem" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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: "((\"code computation using optimization problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( code computation using optimization problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("code computation using optimization problem") OR ("using coding python python programming"))*.