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