Perhaps you should try some spelling variations:
"coder coder _ frequency patterns" » "coder coder _ frequency pattern" (Expand search), "coder coder _ frquency patterns" (Expand search), "coder coder _ frequent patterns" (Expand search), "coder decoder _ frequency patterns" (Expand search), "code code _ frequency patterns" (Expand search), "decoder codec _ frequency patterns" (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), "manim 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 _ frequency patterns") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ frequency patterns\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder _ frequency patterns ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ frequency patterns") OR ("api python python python programming"))*.