Perhaps you should try some spelling variations:
"coder complexity approximation algorithm based" » "coder complexity approximations algorithm based" (Expand search), "coder complexity application algorithm based" (Expand search), "coder complexity improvisation algorithm based" (Expand search), "coder complexity approximation algorithms based" (Expand search), "code complexity approximation algorithm based" (Expand search), "model complexity approximation algorithm based" (Expand search), "lower complexity approximation algorithm based" (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)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder complexity approximation algorithm based\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder complexity approximation algorithm based ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder complexity approximation algorithm based") OR ("api python python python programming"))*.