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