Perhaps you should try some spelling variations:
"coder testing models and documentation" » "coder teaching models and documentation" (Expand search), "coder ising models and documentation" (Expand search), "coder using models and documentation" (Expand search), "model testing models and documentation" (Expand search), "mode testing models and documentation" (Expand search), "cancer testing models and documentation" (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), "manim python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder testing models and documentation\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder testing models and documentation ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder testing models and documentation") OR ("api python python python programming"))*.