Perhaps you should try some spelling variations:
"coder segmentation based linear program" » "color segmentation based linear program" (Expand search), "over segmentation based linear program" (Expand search), "gender segmentation based linear program" (Expand search), "coder segmentation and linear program" (Expand search), "coder segmentation based linear programmin" (Expand search), "coder segmentation based linear programming" (Expand search), "coder segmentation based nonlinear program" (Expand search), "coder segmentation based linkage program" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder segmentation based linear program") OR ("python code python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder segmentation based linear program\") OR (\"python code python python programming\"))".
• Removing quotes may allow a broader search: (( coder segmentation based linear program ) OR ( python code python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder segmentation based linear program") OR ("python code python python programming"))*.