Perhaps you should try some spelling variations:
"using computational modelling sio2 array" » "using computational modeling sio2 array" (Expand search), "using computational model sio2 array" (Expand search), "and computational modelling sio2 array" (Expand search), "using computational modelling soc array" (Expand search), "using computational modelling using array" (Expand search), "using computational modelling bim array" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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 computational modelling sio2 array\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational modelling sio2 array ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational modelling sio2 array") OR ("using codigo python python programming"))*.