Perhaps you should try some spelling variations:
"coder coder pulsating strings problem" » "coder kepler pulsating strings problem" (Expand search), "coder coder pulsating string problem" (Expand search), "coder coder pulsating waring's problem" (Expand search), "coder coder pulsating sharing problem" (Expand search), "coder decoder pulsating strings problem" (Expand search), "code code pulsating strings problem" (Expand search), "decoder codec pulsating strings 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder pulsating strings problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder pulsating strings problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder pulsating strings problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder pulsating strings problem") OR ("api python python python programming"))*.