Perhaps you should try some spelling variations:
"coder encoding retrieval algorithm complexity" » "coder encoding retrieval algorithms complexity" (Expand search), "coder encoding retrieval algorithmic complexity" (Expand search), "coder teaching retrieval algorithm complexity" (Expand search), "core encoding retrieval algorithm complexity" (Expand search), "clones encoding retrieval algorithm complexity" (Expand search), "video encoding retrieval algorithm complexity" (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 encoding retrieval algorithm complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder encoding retrieval algorithm complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder encoding retrieval algorithm complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder encoding retrieval algorithm complexity") OR ("api python python python programming"))*.