Perhaps you should try some spelling variations:
"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)
"using modis on sio2 program" » "using modis on 2 program" (Expand search), "using modis on 2012 program" (Expand search), "using modis on 2002 program" (Expand search), "using mobile on sio2 program" (Expand search), "using modes on sio2 program" (Expand search), "using modos on sio2 program" (Expand search), "using models on sio2 program" (Expand search), "using modis and sio2 program" (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 modis on sio2 program\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( using modis on sio2 program ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using modis on sio2 program") OR ("using python python python programming"))*.