Perhaps you should try some spelling variations:
"coder coder time frequency spaces" » "coder coder time frequency space" (Expand search), "coder coder time frequency spans" (Expand search), "coder coder time frequency surfaces" (Expand search), "coder coder the frequency spaces" (Expand search), "coder decoder time frequency spaces" (Expand search), "code code time frequency spaces" (Expand search), "decoder codec time frequency spaces" (Expand search), "coder cover time frequency spaces" (Expand search), "coder modern time frequency spaces" (Expand search), "coder over time frequency spaces" (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 time frequency spaces\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder time frequency spaces ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder time frequency spaces") OR ("api python python python programming"))*.