Perhaps you should try some spelling variations:
"coder coder path clustering problem" » "coder coder path covering problem" (Expand search), "coder coder patch clustering problem" (Expand search), "coder coder data clustering problem" (Expand search), "coder coder with clustering problem" (Expand search), "coder decoder path clustering problem" (Expand search), "code code path clustering problem" (Expand search), "decoder codec path clustering problem" (Expand search), "coder lower path clustering problem" (Expand search), "coder under path clustering 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 path clustering problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder path clustering problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder path clustering problem") OR ("api python python python programming"))*.