Perhaps you should try some spelling variations:
"electrical engineer's" » "electrical engine", "electric engineering", "electronics engineers"
"electrical engineer'sers" » "electrical engineers", "electric engineeringers", "electronics engineersers"
"electrical engineers" » "mechanical engineers", "chemical engineers"

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 engineering") OR ((("electrical engineer's") OR ((("electrical engineers") OR ("electrical engineer'sers")))))).
• Removing quotes may allow a broader search: (( electrical engineering ) or ((( electrical engineer's ) or ((( electrical engineers ) or ( electrical engineer'sers )))))).
• Adding a wildcard symbol may retrieve word variants: (("electrical engineering") or ((("electrical engineer's") or ((("electrical engineers") or ("electrical engineer'sers"))))))*.