Perhaps you should try some spelling variations:
"coder coder flow scheduling problem" » "coder coder lot scheduling problem" (Expand search), "coder coder block scheduling problem" (Expand search), "coder coder cloud scheduling problem" (Expand search), "coder decoder flow scheduling problem" (Expand search), "code code flow scheduling problem" (Expand search), "decoder codec flow scheduling problem" (Expand search), "coder code flow scheduling problem" (Expand search), "coder cover flow scheduling problem" (Expand search), "coder powder flow 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 coder flow scheduling problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder flow scheduling problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder flow scheduling problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder flow scheduling problem") OR ("api python python python programming"))*.