Perhaps you should try some spelling variations:
"model implementation using arduino programming" » "model implementation in arduino programming" (Expand search), "model implementation and arduino programming" (Expand search), "model implementation an arduino programming" (Expand search), "model implementation using arduino programmable" (Expand search), "model implementation using radio programming" (Expand search), "model implementation using learning programming" (Expand search)
"python api python python programming" » "python api pythons python programming" (Expand search), "python api piton python programming" (Expand search), "python api pitons python programming" (Expand search), "python and python python programming" (Expand search), "python rpa python python programming" (Expand search), "python manim 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: "((\"model implementation using arduino programming\") OR (\"python api python python programming\"))~".
• Removing quotes may allow a broader search: (( model implementation using arduino programming ) OR ( python api python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("model implementation using arduino programming") OR ("python api python python programming"))*.