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