Perhaps you should try some spelling variations:
"coder coder _ robin problem" » "coder coder _ robin problems" (Expand search), "coder coder _ in problem" (Expand search), "coder coder _ on problem" (Expand search), "coder decoder _ robin problem" (Expand search), "code code _ robin problem" (Expand search), "decoder codec _ robin 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 _ robin problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder _ robin problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ robin problem") OR ("api python python python programming"))*.