Perhaps you should try some spelling variations:
"coder model using complexity program" » "coder model using complex program" (Expand search), "coder model using complexity from" (Expand search), "coder model using complexity priors" (Expand search), "coder model using complete program" (Expand search), "coder model design complexity program" (Expand search), "cover model using complexity program" (Expand search), "decoder model using complexity program" (Expand search), "copper model using complexity 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.

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