Perhaps you should try some spelling variations:
"coder model teaching in complexity" » "coder models teaching in complexity" (Expand search), "coder modeling teaching in complexity" (Expand search), "coder modular teaching in complexity" (Expand search), "coder model teaching on complexity" (Expand search), "coder model teaching and complexity" (Expand search), "coder model teaching _ complexity" (Expand search), "cover model teaching in complexity" (Expand search), "decoder model teaching in complexity" (Expand search), "copper model teaching in 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 teaching in complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder model teaching in complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder model teaching in complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder model teaching in complexity") OR ("api python python python programming"))*.