Perhaps you should try some spelling variations:
"coder coder three groups problem" » "coder coder three group problem" (Expand search), "coder coder three groups problemas" (Expand search), "coder coder three grouping problem" (Expand search), "coder coder free groups problem" (Expand search), "coder coder the groups problem" (Expand search), "coder coder free group problem" (Expand search), "coder decoder three groups problem" (Expand search), "code code three groups problem" (Expand search), "decoder codec three groups problem" (Expand search), "coder under three groups problem" (Expand search), "coder over three groups problem" (Expand search), "coder model three groups 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 three groups problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder three groups problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder three groups problem") OR ("api python python python programming"))*.