Perhaps you should try some spelling variations:
"coder coding challenges _ coding" » "coder scoping challenges _ coding" (Expand search), "coder upcoming challenges _ coding" (Expand search), "coder modeling challenges _ coding" (Expand search), "modern coding challenges _ coding" (Expand search), "color coding challenges _ coding" (Expand search), "odor coding challenges _ coding" (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 coding challenges _ coding\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding challenges _ coding ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding challenges _ coding") OR ("api python python python programming"))*.