Perhaps you should try some spelling variations:
"using solution using sio2 array" » "pulsing solutions using sio2 array" (Expand search), "washing solutions using sio2 array" (Expand search), "using solution using tio2 array" (Expand search), "using solution using six array" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "using _ 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: (("using solution using sio2 array") OR ("using in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using solution using sio2 array\") OR (\"using in python python programming\"))".
• Removing quotes may allow a broader search: (( using solution using sio2 array ) OR ( using in python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using solution using sio2 array") OR ("using in python python programming"))*.