Perhaps you should try some spelling variations:
"coder precoder pulse control program" » "coder decoder pulse control program" (Expand search), "coder precoder impulse control program" (Expand search), "coder precoder phase control program" (Expand search), "coder precoder use control 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 pulse control program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder pulse control program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder pulse control program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder pulse control program") OR ("api python python python programming"))*.