Perhaps you should try some spelling variations:
"coder coder cse's complex problem" » "coder coder cse's complex problems" (Expand search), "coder coder cmos complex problem" (Expand search), "coder coder less complex problem" (Expand search), "coder coder class complex problem" (Expand search), "coder decoder cse's complex problem" (Expand search), "code code cse's complex problem" (Expand search), "decoder codec cse's complex 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 cse's complex problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder cse's complex problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder cse's complex problem") OR ("api python python python programming"))*.