Perhaps you should try some spelling variations:
"liver segmentation python script python" » "liver segmentation method script python" (Expand search), "liver segmentation methods script python" (Expand search), "liver segmentation on script python" (Expand search), "based segmentation python script python" (Expand search), "tumor segmentation python script python" (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: "((\"liver segmentation python script python\") OR (\"python in python python programming\"))~".
• Removing quotes may allow a broader search: (( liver segmentation python script python ) OR ( python in python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("liver segmentation python script python") OR ("python in python python programming"))*.