Perhaps you should try some spelling variations:
"electrical machineering" » "electrical machining", "electrical engineering", "electrical machines"
"electrical machineer's" » "electrical machines", "electrical machine", "electrical engineer's"
"electrical machinery" » "electrical machines", "electric machinery", "electrical machine"
"electrical lineers" » "electrical linear", "electrical engineers", "electrical line"
"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 machineer's") OR ("electrical machinery"))) OR ((("electrical engine") OR ((("electrical lineers") OR ("electrical machineering")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"electrical machineer's\") OR (\"electrical machinery\"))) or (((\"electrical engine\") or (((\"electrical lineers\") or (\"electrical machineering\"))))))".
• Removing quotes may allow a broader search: (((( electrical machineer's ) OR ( electrical machinery ))) or ((( electrical engine ) or ((( electrical lineers ) or ( electrical machineering )))))).
• Adding a wildcard symbol may retrieve word variants: (((("electrical machineer's") OR ("electrical machinery"))) or ((("electrical engine") or ((("electrical lineers") or ("electrical machineering"))))))*.