Job in hotel or resturant in burnei

I assume you mean Brunei, the small country surrounded by Malaysia on the island of Borneo?
In that case you better post your question to the Brunei forum - you are more likely to find knowledgeable people there!

Ok sry
Can you tell me about ica department of singapore.
If someone have completed his/her tep in singapore.
Then after he/she want to come in singapore again for study.
Ica will check his previous record from mom or ica will confirm from company.
I mean all document check by ica from mom.

This is a separate question and off-topic here. You should thus have started another thread.
To answer in short: All Singapore government agencies are networked and retrieve their information from the same central database. Thus ICA will see all the applicants history and previous dealings with officials, including MoM.