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