Perhaps you should try some spelling variations:
"made using mixed regression coding" » "made using mixed regression modeling" (Expand search), "made using mixed regression using" (Expand search), "made using mixed regression during" (Expand search), "made using and regression coding" (Expand search), "care using mixed regression coding" (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: "((\"made using mixed regression coding\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( made using mixed regression coding ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("made using mixed regression coding") OR ("api python python python programming"))*.