Perhaps you should try some spelling variations:
"coder coder teaching robotics parallel" » "coder coder teaching optics parallel" (Expand search), "coder coder teaching politics parallel" (Expand search), "coder coder teaching genetics parallel" (Expand search), "coder coder teaching roboticos paralelos" (Expand search), "coder coder teaching robotics problem" (Expand search), "coder code teaching robotics parallel" (Expand search), "coder poder teaching robotics parallel" (Expand search), "coder model teaching robotics parallel" (Expand search), "coder decoder teaching robotics parallel" (Expand search), "code code teaching robotics parallel" (Expand search), "decoder codec teaching robotics parallel" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 coder teaching robotics parallel\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder teaching robotics parallel ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching robotics parallel") OR ("_ python python python programming"))*.