Perhaps you should try some spelling variations:
"practical engineering" » "optical engineering", "acoustical engineering", "structural engineering"
"physical engineering" » "chemical engineering", "optical engineering", "medical engineering"
"electrical engineer" » "electrical engineers", "electrical engineer's", "electrical engine"
"electrical engineering" » "electrical engineersing", "electrical engineer'sing", "electrical engineing"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("electrical engineer") OR ((((("practical engineering") OR ("physical engineering"))) OR ("electrical engineering"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"electrical engineer\") or (((((\"practical engineering\") OR (\"physical engineering\"))) or (\"electrical engineering\"))))*".
• Removing quotes may allow a broader search: (( electrical engineer ) or ((((( practical engineering ) OR ( physical engineering ))) or ( electrical engineering ))))*.