Perhaps you should try some spelling variations:
"coder coder efficient detection problem" » "coder coder efficient selection problem" (Expand search), "coder coder efficient detection program" (Expand search), "coder coder efficient demarcation problem" (Expand search), "coder power efficient detection problem" (Expand search), "coder codec efficiency detection problem" (Expand search), "coder codes efficiency detection problem" (Expand search), "coder decoder efficient detection problem" (Expand search), "code code efficient detection problem" (Expand search), "decoder codec efficient detection 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 efficient detection problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder efficient detection problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder efficient detection problem") OR ("api python python python programming"))*.