Perhaps you should try some spelling variations:
"coder coder time frequency using" » "coder coder time frequency during" (Expand search), "coder coder time frequency tuning" (Expand search), "coder coder time frequency among" (Expand search), "coder coder the frequency using" (Expand search), "coder decoder time frequency using" (Expand search), "code code time frequency using" (Expand search), "decoder codec time frequency using" (Expand search), "coder cover time frequency using" (Expand search), "coder modern time frequency using" (Expand search), "coder over time frequency using" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder time frequency using") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder time frequency using\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder time frequency using ) OR ( api python python python programming ))*.