Perhaps you should try some spelling variations:
"coder decoder esp32 microcontroller based" » "coder decoder pic microcontroller based" (Expand search), "coder decoder _ microcontroller based" (Expand search), "coder decoder atmega328 microcontroller based" (Expand search), "coder decoder esp32 controller based" (Expand search), "encoder decoder esp32 microcontroller based" (Expand search), "coder decoder sp microcontroller based" (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 decoder esp32 microcontroller based") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder esp32 microcontroller based\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder decoder esp32 microcontroller based ) OR ( api python python python programming ))*.