Perhaps you should try some spelling variations:
"coder and complexity approximation to" » "coder and complexity approximations to" (Expand search), "coder and complexity application to" (Expand search), "coder and complexity improvisation to" (Expand search), "coder and complexity approximation of" (Expand search), "coder and complexity approximation _" (Expand search), "coder and complexity approximation theory" (Expand search), "code and complexity approximation to" (Expand search), "codes and complexity approximation to" (Expand search), "poder and complexity approximation to" (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 and complexity approximation to\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and complexity approximation to ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and complexity approximation to") OR ("api python python python programming"))*.