Perhaps you should try some spelling variations:
"coder model using array complexity" » "coder model using area complexity" (Expand search), "coder model using uiry complexity" (Expand search), "coder model using average complexity" (Expand search), "cover model using array complexity" (Expand search), "decoder model using array complexity" (Expand search), "copper model using array complexity" (Expand search), "coder model using spray complexity" (Expand search), "coder model using ray complexity" (Expand search), "coder model using aerial complexity" (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 array complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder model using array complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder model using array complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder model using array complexity") OR ("api python python python programming"))*.