Perhaps you should try some spelling variations:
"physics engineering https" » "chemical engineering https", "physics engineering letters", "physics engineering statics", "physics engineering data"
"basic engineering 2020" » "traffic engineering 2020", "basic engineering _", "basic engineering 3rd", "basic engineering c"
"chassis engineering https" » "chassis engineering letters", "chassis engineering statics", "chassis engineering data"

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 2020") or ((("physics engineering https") or ("chassis engineering https"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("basic engineering 2020") OR ((("physics engineering https") OR ("chassis engineering https")))).
• Removing quotes may allow a broader search: (( basic engineering 2020 ) or ((( physics engineering https ) or ( chassis engineering https )))).
• Adding a wildcard symbol may retrieve word variants: (("basic engineering 2020") or ((("physics engineering https") or ("chassis engineering https"))))*.