Maybe you can try to contact Super Nanny Services. They offer my friend one extra nanny for 5 days for free. Just give nanny red packet will do. You have to check out with them as it was a year ago when my friend engaged them.
Hi i just give birth on 3 feb 2017 and currently using Star confinement Agency, i find it very good as it got free replacement if you are unhappy with the nanny and if i not wrong they have the service for twins too. My current nanny very good....she is fong jie from Star Confinement.