Perhaps you should try some spelling variations:
"by computation using semidefinite programming" » "by computation in semidefinite programming" (Expand search), "by computation and semidefinite programming" (Expand search), "by computation via semidefinite programming" (Expand search), "by computations using semidefinite programming" (Expand search), "by composition using semidefinite programming" (Expand search), "by computational using semidefinite programming" (Expand search), "of computation using semidefinite programming" (Expand search), "_ computation using semidefinite programming" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("by computation using semidefinite programming") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computation using semidefinite programming\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( by computation using semidefinite programming ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("by computation using semidefinite programming") OR ("using python python python programming"))*.