Perhaps you should try some spelling variations:
"coder in python semidefinite programming" » "coder in on semidefinite programming" (Expand search), "coder in the semidefinite programming" (Expand search), "coder in to semidefinite programming" (Expand search), "code in python semidefinite programming" (Expand search), "codes in python semidefinite programming" (Expand search), "poder in python 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder in python semidefinite programming\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder in python semidefinite programming ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder in python semidefinite programming") OR ("_ python python python programming"))*.