Perhaps you should try some spelling variations:
"model implementation on sio2 array" » "model implementation of sio2 array" (Expand search), "model implementation in sio2 array" (Expand search), "model implementation and sio2 array" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("model implementation on sio2 array") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"model implementation on sio2 array\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( model implementation on sio2 array ) OR ( using coding python python programming ))*.