Perhaps you should try some spelling variations:
"using computation mainly convex programming" » "using computation and convex programming" (Expand search), "using computation in convex programming" (Expand search), "using computation using convex programming" (Expand search), "using computation mainly cone programming" (Expand search), "using computation mainly computer programming" (Expand search), "using computational mainly convex programming" (Expand search), "using imputation mainly convex programming" (Expand search), "using compilation mainly convex programming" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 mainly convex programming\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using computation mainly convex programming ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation mainly convex programming") OR ("using coding python python programming"))*.