Perhaps you should try some spelling variations:
"coder coding boolean convex programming" » "coder coding boolean cone programming" (Expand search), "coder coding boolean computer programming" (Expand search), "modern coding boolean convex programming" (Expand search), "color coding boolean convex programming" (Expand search), "odor coding boolean convex programming" (Expand search)
"python code python python programming" » "python code pythons python programming" (Expand search), "python code piton python programming" (Expand search), "python code pitons python programming" (Expand search), "python codigo python python programming" (Expand search), "python pacote 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 coding boolean convex programming\") OR (\"python code python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding boolean convex programming ) OR ( python code python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding boolean convex programming") OR ("python code python python programming"))*.