Perhaps you should try some spelling variations:
"using computation using complex programming" » "using computation using computer programming" (Expand search), "using computation using convex programming" (Expand search), "using computation using cortex programming" (Expand search), "using computational using complex programming" (Expand search), "using imputation using complex programming" (Expand search), "using compilation using complex programming" (Expand search), "using computations using complex programming" (Expand search), "using computation in complex programming" (Expand search), "using composition using complex programming" (Expand search), "using computation housing complex programming" (Expand search)
"using models from python programming" » "ising models from python programming" (Expand search), "using model from python programming" (Expand search), "nursing models from python programming" (Expand search), "using models from pathogen programming" (Expand search), "using models from anthony 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 using complex programming\") OR (\"using models from python programming\"))~".
• Removing quotes may allow a broader search: (( using computation using complex programming ) OR ( using models from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation using complex programming") OR ("using models from python programming"))*.