Perhaps you should try some spelling variations:
"coder lu factorization algorithms complexity" » "coder lu optimization algorithms complexity" (Expand search), "coder lu maximization algorithms complexity" (Expand search), "coder lu localization algorithms complexity" (Expand search), "coder lu factorization algorithmic complexity" (Expand search), "cover lu factorization algorithms 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 lu factorization algorithms complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder lu factorization algorithms complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder lu factorization algorithms complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder lu factorization algorithms complexity") OR ("api python python python programming"))*.