Perhaps you should try some spelling variations:
"coder segmentation _ postgresql program" » "color segmentation _ postgresql program" (Expand search), "over segmentation _ postgresql program" (Expand search), "gender segmentation _ postgresql program" (Expand search), "coder segmentation _ postures program" (Expand search)
"python code python python programming" » "python code pythons python programming" (Expand search), "python code piton python programming" (Expand search), "python code pitons python programming" (Expand search), "python codigo python python programming" (Expand search), "python pacote 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: (("coder segmentation _ postgresql program") OR ("python code python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder segmentation _ postgresql program\") OR (\"python code python python programming\"))".
• Removing quotes may allow a broader search: (( coder segmentation _ postgresql program ) OR ( python code python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder segmentation _ postgresql program") OR ("python code python python programming"))*.