Perhaps you should try some spelling variations:
"using loading using semidefinite programming" » "using loading in semidefinite programming" (Expand search), "using loading and semidefinite programming" (Expand search), "using loading via semidefinite programming" (Expand search), "using locking using semidefinite programming" (Expand search), "using shading using semidefinite programming" (Expand search), "using holding using semidefinite programming" (Expand search), "using loading point semidefinite 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.

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