Maybe the 157 visa for yourself and a Partner Visa for your wife..
Subclass 157 visa
You might be granted a subclass 157 visa if all of the following apply to you:
Cost $365
I would consider a quick consultation with an Immigration agent for your situation. http://www.australiaforum.com/visas-immigration/252474-registered-migration-agents.html
Partner Visa:
https://www.homeaffairs.gov.au/Trav/Visa-1/309-
Cost from $8,755 + extras
Subclass 157 visa
You might be granted a subclass 157 visa if all of the following apply to you:
- you lawfully spent at least one day but less than two years in the past five years in Australia immediately before you apply for this visa
- you were an Australian permanent resident or an Australian citizen the whole time you were in Australia
- there is a compelling and compassionate reason for leaving Australia.
- If you have been outside Australia for more than three continuous months immediately before you apply, you must have a compelling and compassionate reason for the absence.
Cost $365
I would consider a quick consultation with an Immigration agent for your situation. http://www.australiaforum.com/visas-immigration/252474-registered-migration-agents.html
Partner Visa:
https://www.homeaffairs.gov.au/Trav/Visa-1/309-
Cost from $8,755 + extras