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