Perhaps you should try some spelling variations:
"convex programming python python programming" » "cone programming python python programming" (Expand search), "computer programming python python programming" (Expand search), "convex programming method python programming" (Expand search), "convex programming action python programming" (Expand search), "convex programmation python python programming" (Expand search), "convex programming pythons python programming" (Expand search), "convex programming piton python programming" (Expand search), "convex programming pitons python programming" (Expand search)
"coder refractive error coding program" » "poder refrativo error coding program" (Expand search), "after refractive error coding program" (Expand search), "laser refractive error coding program" (Expand search), "coder refractive errors coding program" (Expand search), "coder refractive error cloning program" (Expand search), "coder refractive error loading program" (Expand search), "coder refractive error cooling programs" (Expand search), "coder refractive error modeling program" (Expand search), "coder refractive vector coding program" (Expand search), "coder refractive color coding program" (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: (("coder refractive error coding program") OR ("convex programming python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder refractive error coding program\") OR (\"convex programming python python programming\"))".
• Removing quotes may allow a broader search: (( coder refractive error coding program ) OR ( convex programming python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder refractive error coding program") OR ("convex programming python python programming"))*.