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