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