Perhaps you should try some spelling variations:
"using computational methods cognitive problem" » "using computational model cognitive problem" (Expand search), "and computational methods cognitive problem" (Expand search), "using computational meta cognitive problem" (Expand search), "using computational methods cognitive problems" (Expand search), "using computational methods cognitive profiles" (Expand search), "using computational methods cognitive troubles" (Expand search)
"using code from python programming" » "using code from pathogen programming" (Expand search), "using code from anthony programming" (Expand search), "using cone from python programming" (Expand search), "using co from python programming" (Expand search), "using co2 from python programming" (Expand search), "using code form 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 computational methods cognitive problem") OR ("using code from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational methods cognitive problem\") OR (\"using code from python programming\"))".
• Removing quotes may allow a broader search: (( using computational methods cognitive problem ) OR ( using code from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computational methods cognitive problem") OR ("using code from python programming"))*.