Perhaps you should try some spelling variations:
"coder coding block scheduling problem" » "coder coding task scheduling problem" (Expand search), "coder coding job scheduling problem" (Expand search), "coder coding based scheduling problem" (Expand search), "modern coding block scheduling problem" (Expand search), "color coding block scheduling problem" (Expand search), "odor coding block scheduling problem" (Expand search), "coder moving block scheduling problem" (Expand search), "coder housing block scheduling problem" (Expand search), "coder rocking block scheduling 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 coding block scheduling problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding block scheduling problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding block scheduling problem ) OR ( api python python python programming ))*.