Perhaps you should try some spelling variations:
"coder coder more challenging program" » "coder coder more changing program" (Expand search), "coder coder more challenging problem" (Expand search), "coder coder more challenging proposal" (Expand search), "coder coder or challenging program" (Expand search), "coder coder some challenging program" (Expand search), "coder coder court challenging program" (Expand search), "coder decoder more challenging program" (Expand search), "code code more challenging program" (Expand search), "decoder codec more challenging program" (Expand search), "coder poder morte challenging program" (Expand search), "coder over more challenging program" (Expand search), "coder under more challenging program" (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 more challenging program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder more challenging program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder more challenging program") OR ("api python python python programming"))*.