Perhaps you should try some spelling variations:
"coder coder case study problem" » "coder coder case student problem" (Expand search), "coder coder case studies problem" (Expand search), "coder coder case body problem" (Expand search), "coder decoder case study problem" (Expand search), "code code case study problem" (Expand search), "decoder codec case study problem" (Expand search), "coder border case study problem" (Expand search), "coder power case study problem" (Expand search), "coder lower case study 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 case study problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder case study problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder case study problem") OR ("api python python python programming"))*.