Perhaps you should try some spelling variations:
"python on python python programming" » "python on pythons python programming" (Expand search), "python on piton python programming" (Expand search), "python on pitons python programming" (Expand search), "python of python python programming" (Expand search), "python in python python programming" (Expand search), "python and python python programming" (Expand search), "python _ python python programming" (Expand search)
"coder coding java computer program" » "modern coding java computer program" (Expand search), "color coding java computer program" (Expand search), "odor coding java computer program" (Expand search), "coder codigo java computer program" (Expand search), "coder coding av1 computer program" (Expand search), "coder coding data computer program" (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 coding java computer program\") OR (\"python on python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding java computer program ) OR ( python on python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding java computer program") OR ("python on python python programming"))*.