Perhaps you should try some spelling variations:
"coder model complexity model applied" » "coder code complexity model applied" (Expand search), "coder social complexity model applied" (Expand search), "coder and complexity model applied" (Expand search), "coder model complexity and applied" (Expand search), "coder model complexity based applied" (Expand search), "cover model complexity model applied" (Expand search), "decoder model complexity model applied" (Expand search), "copper model complexity model applied" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder model complexity model applied") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder model complexity model applied\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder model complexity model applied ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder model complexity model applied") OR ("api python python python programming"))*.