Perhaps you should try some spelling variations:
"coder coding arbitrary convex programming" » "coder coding arbitrary cone programming" (Expand search), "coder coding arbitrary computer programming" (Expand search), "coder using arbitrary convex programming" (Expand search), "coder having arbitrary convex programming" (Expand search), "coder allowing arbitrary convex programming" (Expand search), "coder coding arbitrary one programming" (Expand search), "coder coding arbitrary order programming" (Expand search), "modern coding arbitrary convex programming" (Expand search), "color coding arbitrary convex programming" (Expand search), "odor coding arbitrary convex 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 coding arbitrary convex programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding arbitrary convex programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding arbitrary convex programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding arbitrary convex programming") OR ("_ python python python programming"))*.