Perhaps you should try some spelling variations:
"teaching computation _ robotics robot" » "teaching computational _ robotics robot" (Expand search), "teaching competitions _ robotics robot" (Expand search), "teaching compensation _ robotics robot" (Expand search), "teaching computation _ robotica robo" (Expand search), "teaching computation _ robotica robos" (Expand search), "teaching computation _ robotico robo" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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: "((\"teaching computation _ robotics robot\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( teaching computation _ robotics robot ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching computation _ robotics robot") OR ("using coding python python programming"))*.