Perhaps you should try some spelling variations:
"and python python python programming" » "and pythons python python programming" (Expand search), "and piton python python programming" (Expand search), "and pitons python python programming" (Expand search), "in python python python programming" (Expand search), "on python python python programming" (Expand search), "api python python python programming" (Expand search)
"coder coder based robot robot" » "coder decoder based robot robot" (Expand search), "code code based robot robot" (Expand search), "decoder codec based robot robot" (Expand search), "coder code based robot robot" (Expand search), "coder foder based robot robot" (Expand search), "coder codec based robot robot" (Expand search), "coder coder based root robot" (Expand search), "coder coder based robotic robot" (Expand search), "coder coder based robust robot" (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 coder based robot robot") OR ("and python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based robot robot\") OR (\"and python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder based robot robot ) OR ( and python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder based robot robot") OR ("and python python python programming"))*.