Perhaps you should try some spelling variations:
"coder string searching algorithms complexity" » "coder string searching algorithmic complexity" (Expand search), "coder string teaching algorithms complexity" (Expand search), "coder string learning algorithms complexity" (Expand search), "coder string search algorithms complexity" (Expand search), "coder string matching algorithms complexity" (Expand search), "coder still searching algorithms complexity" (Expand search), "cordel string searching algorithms complexity" (Expand search), "closed string searching algorithms complexity" (Expand search), "modelo string searching 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 string searching algorithms complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder string searching algorithms complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder string searching algorithms complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder string searching algorithms complexity") OR ("api python python python programming"))*.