Perhaps you should try some spelling variations:
"using computation using modis problems" » "using computational using modis problems" (Expand search), "using imputation using modis problems" (Expand search), "using compilation using modis problems" (Expand search), "using computations using modis problems" (Expand search), "using computation in modis problems" (Expand search), "using composition using modis problems" (Expand search), "using computation using model problems" (Expand search), "using computation using modal problems" (Expand search), "using computation using coding problems" (Expand search), "using computation using mobile 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: "((\"using computation using modis problems\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( using computation using modis problems ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation using modis problems") OR ("using python python python programming"))*.