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