Perhaps you should try some spelling variations:
"code complexity interchange algorithm based" » "code complexity exchange algorithm based" (Expand search), "case complexity interchange algorithm based" (Expand search), "care complexity interchange algorithm based" (Expand search), "the complexity interchange algorithm based" (Expand search), "code complexity interchange algorithm and" (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: (("code complexity interchange algorithm based") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code complexity interchange algorithm based\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( code complexity interchange algorithm based ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("code complexity interchange algorithm based") OR ("api python python python programming"))*.