Perhaps you should try some spelling variations:
"coder decoder complexity level programming" » "coder code complexity level programming" (Expand search), "coder receiver complexity level programming" (Expand search), "coder model complexity level programming" (Expand search), "coder decoder complexity bilevel programming" (Expand search), "coder decoder complexity fetal programming" (Expand search), "coder decoder complexity convex programming" (Expand search), "coder decoder complexity levels programming" (Expand search), "encoder decoder complexity level programming" (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 decoder complexity level programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder complexity level programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder complexity level programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder complexity level programming") OR ("api python python python programming"))*.