Perhaps you should try some spelling variations:
"based segmentation python coding perl" » "based segmentation method coding perl" (Expand search), "based segmentation methods coding perl" (Expand search), "based segmentation on coding perl" (Expand search), "and segmentation python coding perl" (Expand search), "image segmentation python coding perl" (Expand search), "based implementation python coding perl" (Expand search), "based segmentation python codigo perl" (Expand search), "based segmentation action coding perl" (Expand search), "based segmentation python code perl" (Expand search)
"python and python python programming" » "python and pythons python programming" (Expand search), "python and piton python programming" (Expand search), "python and pitons python programming" (Expand search), "python based python python programming" (Expand search), "python in python python programming" (Expand search), "python on python python programming" (Expand search), "python api 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: (("based segmentation python coding perl") OR ("python and python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based segmentation python coding perl\") OR (\"python and python python programming\"))".
• Removing quotes may allow a broader search: (( based segmentation python coding perl ) OR ( python and python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based segmentation python coding perl") OR ("python and python python programming"))*.