Perhaps you should try some spelling variations:
"coder decoder in physics problems" » "encoder decoder in physics problems" (Expand search), "coder recorder in physics problems" (Expand search), "coder decoder _ physics problems" (Expand search), "coder decoder using physics problems" (Expand search), "coder decoder in physical problems" (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 decoder in physics problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder decoder in physics problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder decoder in physics problems") OR ("api python python python programming"))*.