Perhaps you should try some spelling variations:
"coder model complexity technical progress" » "coder model completing technical progress" (Expand search), "coder model complexity ethical progress" (Expand search), "coder model complexity sociotechnical progress" (Expand search), "coder model complexity technological progress" (Expand search), "coder code complexity technical progress" (Expand search), "coder social complexity technical progress" (Expand search), "coder and complexity technical progress" (Expand search), "cover model complexity technical progress" (Expand search), "decoder model complexity technical progress" (Expand search), "copper model complexity technical progress" (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 model complexity technical progress\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder model complexity technical progress ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder model complexity technical progress") OR ("api python python python programming"))*.