Perhaps you should try some spelling variations:
"coder precoder waves learning program" » "coder precoder waves learning programme" (Expand search), "coder precoder waves learning problems" (Expand search), "coder precoder waves learning process" (Expand search), "coder decoder waves learning program" (Expand search), "coder precoder games learning program" (Expand search), "coder precoder bases learning program" (Expand search), "coder precoder bayes learning program" (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 precoder waves learning program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder waves learning program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder waves learning program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder waves learning program") OR ("api python python python programming"))*.