Perhaps you should try some spelling variations:
mechanical engineering » mechatronics engineering
"Mechanical engineering data" » "Mechanical engineering https", "Mechanical engineering _", "Mechanical engineering 2020"
"Mechanical engineering heat" » "Mechanical engineering chennai", "Mechanical engineering https", "Mechanical engineering _"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Mechanical engineering data") OR ("Mechanical engineering heat"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Mechanical engineering data\") OR (\"Mechanical engineering heat\"))".
• Removing quotes may allow a broader search: (( Mechanical engineering data ) OR ( Mechanical engineering heat )).
• Adding a wildcard symbol may retrieve word variants: (("Mechanical engineering data") OR ("Mechanical engineering heat"))*.