Perhaps you should try some spelling variations:
"coder coder exploiting semidefinite programming" » "coder cancer exploiting semidefinite programming" (Expand search), "coder models exploiting semidefinite programming" (Expand search), "coder water exploiting semidefinite programming" (Expand search), "coder decoder exploiting semidefinite programming" (Expand search), "code code exploiting semidefinite programming" (Expand search), "decoder codec exploiting semidefinite programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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: (("coder coder exploiting semidefinite programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder exploiting semidefinite programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder exploiting semidefinite programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder exploiting semidefinite programming") OR ("_ python python python programming"))*.