Perhaps you should try some spelling variations:
"coder segmentation of convex programming" » "color segmentation of convex programming" (Expand search), "over segmentation of convex programming" (Expand search), "gender segmentation of convex programming" (Expand search), "coder segmentation of cone programming" (Expand search), "coder segmentation of computer programming" (Expand search), "coder segmentation _ convex programming" (Expand search)
"python code piton python programming" » "python code pitons python programming" (Expand search), "python code in python programming" (Expand search), "python code with python programming" (Expand search), "python code position 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 segmentation of convex programming") OR ("python code piton python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder segmentation of convex programming\") OR (\"python code piton python programming\"))".
• Removing quotes may allow a broader search: (( coder segmentation of convex programming ) OR ( python code piton python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder segmentation of convex programming") OR ("python code piton python programming"))*.