Perhaps you should try some spelling variations:
"coder segmentation _ microarray programming" » "coder segmentation _ military programming" (Expand search), "color segmentation _ microarray programming" (Expand search), "over segmentation _ microarray programming" (Expand search), "gender segmentation _ microarray programming" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder segmentation _ microarray programming\") OR (\"python code python python programming\"))~".
• Removing quotes may allow a broader search: (( coder segmentation _ microarray programming ) OR ( python code python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder segmentation _ microarray programming") OR ("python code python python programming"))*.