Perhaps you should try some spelling variations:
"using computation and complexity program" » "using computation and complex program" (Expand search), "using computation and complexity from" (Expand search), "using computation and complexity priors" (Expand search), "using computational and complexity program" (Expand search), "using imputation and complexity program" (Expand search), "using compilation and complexity program" (Expand search), "using computation of complexity program" (Expand search)
"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)

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 computation and complexity program\") OR (\"using python python python programming\"))~".
• Removing quotes may allow a broader search: (( using computation and complexity program ) OR ( using python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation and complexity program") OR ("using python python python programming"))*.