Perhaps you should try some spelling variations:
"coder coder beat frequency data" » "coder coder heart frequency data" (Expand search), "coder coder beat frequency and" (Expand search), "coder coder beat frequency domain" (Expand search), "coder decoder beat frequency data" (Expand search), "code code beat frequency data" (Expand search), "decoder codec beat frequency data" (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 beat frequency data\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder beat frequency data ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder beat frequency data") OR ("api python python python programming"))*.