Perhaps you should try some spelling variations:
"coder coder or testing problem" » "coder coder or nesting problem" (Expand search), "coder coder or nesting problems" (Expand search), "coder coder or teaching problem" (Expand search), "coder decoder or testing problem" (Expand search), "code code or testing problem" (Expand search), "decoder codec or testing problem" (Expand search), "coder coder pcr testing problem" (Expand search), "coder coder bar testing problem" (Expand search), "coder coder epr testing problem" (Expand search), "coder code or testing problem" (Expand search), "coder under or testing problem" (Expand search), "coder order or testing 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 or testing problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder or testing problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder or testing problem") OR ("api python python python programming"))*.