Perhaps you should try some spelling variations:
"electrical machineering" » "electrical machining", "electrical machinery", "electrical machines"
"electrical engineer's" » "electrical engine", "electric engineering", "electronics engineers"
"electrical engineers" » "mechanical engineers", "chemical engineers"
"electrical line" » "electrical life", "electrical engine", "electrical aging"

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