Perhaps you should try some spelling variations:
"coder coder distributed hard problem" » "coder model distributed hard problem" (Expand search), "coder over distributed hard problem" (Expand search), "coder order distributed hard problem" (Expand search), "coder coder distributed shared problem" (Expand search), "coder coder distributed and problem" (Expand search), "coder coder distributed hash problem" (Expand search), "coder coder distributed old problem" (Expand search), "coder decoder distributed hard problem" (Expand search), "code code distributed hard problem" (Expand search), "decoder codec distributed hard 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 distributed hard problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder distributed hard problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder distributed hard problem ) OR ( api python python python programming ))*.