Perhaps you should try some spelling variations:
"electrical engineer's" » "electrical engineers", "electronics engineers", "electronic engineers", "electrical engineerser's", "electrical aginger's", "electrical lineer's"
"electrical machineers" » "electrical machines", "electrical machinery", "electrical machine"
"electrical lineering" » "electrical wiring", "electrical linear", "electrical treeing"
"electric engineering" » "electronic engineering", "electronics engineering", "genetic engineering"
"electrical engineering" » "electrical engineersering", "electrical agingering", "electrical lineering"
"electrical engine" » "electrical engineers", "electrical aging", "electrical line"

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 lineering"))) OR ((("electrical engineer's") OR ("electric engineering"))))) OR ((("electrical engine") OR ("electrical machineers")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"electrical engineering\") OR (\"electrical lineering\"))) or (((\"electrical engineer's\") or (\"electric engineering\"))))) or (((\"electrical engine\") or (\"electrical machineers\"))))".
• Removing quotes may allow a broader search: (((((( electrical engineering ) OR ( electrical lineering ))) or ((( electrical engineer's ) or ( electric engineering ))))) or ((( electrical engine ) or ( electrical machineers )))).
• Adding a wildcard symbol may retrieve word variants: (((((("electrical engineering") OR ("electrical lineering"))) or ((("electrical engineer's") or ("electric engineering"))))) or ((("electrical engine") or ("electrical machineers"))))*.