Perhaps you should try some spelling variations:
"advanced computation in change problems" » "advanced computations in change problems" (Expand search), "advanced computational in change problems" (Expand search), "advance computational in change problems" (Expand search), "advanced computation in changes problems" (Expand search), "advanced computation in change problem" (Expand search), "advanced computation in channels problems" (Expand search), "advanced computation and change problems" (Expand search), "advanced computation of change problems" (Expand search), "advanced imputation in change problems" (Expand search), "advanced computation in charge problems" (Expand search), "advanced computation in exchange problems" (Expand search), "advanced computation can change problems" (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: "((\"advanced computation in change problems\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( advanced computation in change problems ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced computation in change problems") OR ("using python python python programming"))*.