Perhaps you should try some spelling variations:
"coder coder _ robotics programming" » "coder coder _ robots programming" (Expand search), "coder coder _ robot programming" (Expand search), "coder coder _ genetic programming" (Expand search), "coder decoder _ robotics programming" (Expand search), "code code _ robotics programming" (Expand search), "decoder codec _ robotics programming" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 coder _ robotics programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ robotics programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder _ robotics programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ robotics programming") OR ("on python python python programming"))*.