Perhaps you should try some spelling variations:
"coder coder avoiding obstacles problem" » "coder coder avoid obstacles problem" (Expand search), "coder coder crossing obstacles problem" (Expand search), "coder coder moving obstacles problem" (Expand search), "coder coder avoiding obstacle problem" (Expand search), "coder coder avoiding obstacle problems" (Expand search), "coder coder avoiding stacks problem" (Expand search), "coder coda avoiding obstacles problem" (Expand search), "coder decoder avoiding obstacles problem" (Expand search), "code code avoiding obstacles problem" (Expand search), "decoder codec avoiding obstacles problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python 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 avoiding obstacles problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder avoiding obstacles problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder avoiding obstacles problem") OR ("api python python python programming"))*.