Perhaps you should try some spelling variations:
"physics engineering https" » "chemical engineering https", "physics engineering letters", "physics engineering statics", "physics engineering heat"
"basic engineering https" » "traffic engineering https", "basic engineering letters", "basic engineering statics", "basic engineering heat"
"chassis engineering data" » "chassis engineering heat", "chassis engineering _", "chassis engineering 2020"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("basic engineering https") OR ("physics engineering https"))) or ("chassis engineering data"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("basic engineering https") OR ("physics engineering https"))) OR ("chassis engineering data")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"basic engineering https\") OR (\"physics engineering https\"))) or (\"chassis engineering data\"))".
• Removing quotes may allow a broader search: (((( basic engineering https ) OR ( physics engineering https ))) or ( chassis engineering data )).
• Adding a wildcard symbol may retrieve word variants: (((("basic engineering https") OR ("physics engineering https"))) or ("chassis engineering data"))*.