Perhaps you should try some spelling variations:
"coder fragmentation empirical code program" » "coder fragmentation metrics code program" (Expand search), "coder fragmentation experiment code program" (Expand search), "cover fragmentation empirical code program" (Expand search), "power fragmentation empirical code program" (Expand search), "core fragmentation empirical code program" (Expand search), "coder fragmentation empirical mode program" (Expand search), "coder fragmentation empirical model program" (Expand search), "coder fragmentation empirical case program" (Expand search), "coder fragmentation empirical code programs" (Expand search), "coder fragmentation empirical cove program" (Expand search), "coder fragmentation empirical coppe program" (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 fragmentation empirical code program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder fragmentation empirical code program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder fragmentation empirical code program") OR ("api python python python programming"))*.