Perhaps you should try some spelling variations:
"coder coder machine routing problem" » "coder coder machine coupling problem" (Expand search), "coder coder machine using problem" (Expand search), "coder coder machine reading problem" (Expand search), "coder model machine routing problem" (Expand search), "coder cofee machine routing problem" (Expand search), "coder coffee machine routing problem" (Expand search), "coder decoder machine routing problem" (Expand search), "code code machine routing problem" (Expand search), "decoder codec machine routing 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 machine routing problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder machine routing problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder machine routing problem") OR ("api python python python programming"))*.