Perhaps you should try some spelling variations:
"coder coder coverage saunders model" » "coder coder coverage under model" (Expand search), "coder coder coverage liners model" (Expand search), "coder code coverage saunders model" (Expand search), "coder cancer coverage saunders model" (Expand search), "coder center coverage saunders model" (Expand search), "coder decoder coverage saunders model" (Expand search), "code code coverage saunders model" (Expand search), "decoder codec coverage saunders model" (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 coder coverage saunders model") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coverage saunders model\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coverage saunders model ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coverage saunders model") OR ("api python python python programming"))*.