Perhaps you should try some spelling variations:
"text segmentation python coding perl" » "text segmentation method coding perl" (Expand search), "text segmentation methods coding perl" (Expand search), "text segmentation on coding perl" (Expand search), "object segmentation python coding perl" (Expand search), "and segmentation python coding perl" (Expand search), "_ segmentation python coding perl" (Expand search), "text segmentation python codigo perl" (Expand search), "text segmentation action coding perl" (Expand search), "text segmentation python code perl" (Expand search)
"python in python python programming" » "python in pythons python programming" (Expand search), "python in piton python programming" (Expand search), "python in pitons python programming" (Expand search), "python and python python programming" (Expand search), "python _ python python programming" (Expand search), "python of 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: "((\"text segmentation python coding perl\") OR (\"python in python python programming\"))~".
• Removing quotes may allow a broader search: (( text segmentation python coding perl ) OR ( python in python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("text segmentation python coding perl") OR ("python in python python programming"))*.