Lost vietnamese passport. What should i do now?

If you have a copy of your entry to the US or have other evidence of a lawful entry you may use that to seek adjustment in the US. for a marriage...

What happens if I apply for the citizenship without name change and get married a citizen man, before the citizenship oath.

You can change your name with your naturalization. The name change may be to the name you plan to take after your marriage.

if you have maintained valid status yes. If not you will need to depart to obtain F status. TPS is not status.

Can a grandmother, US citizen, adopt and immigrate a granddaughter from the Philippines?

The relationship through adoption must occur before the child turns 16. The grandmother may petition for the child's mother and in turn the mother...

I'm an E-2 Visa dependent. I will turn 21 before I finish my studies. Can I finish my degree as a principal of the E-2?

As an E-2 principal you may attend school incidental to your primary purpose of being in the US as an E-2.

During an interview for a green card, do you have to provide information you have not been asked to provide?

You must provide truthful answers to most all questions asked.

You cannot file for your goddaughter's visa.

My husband who is a US citizen has DUI's,and recently has a "battery;touch or strike" with a $500 bond. my question is , will

Your husband's record unless he has an Adam Walsh violation, should not impact his eligibility to petition for you.

Could a person be denied entry to the US if the visa was processed as a family group and a person in the group is out of status

Your sister's overstay should not impact your parents visit if they have valid visas.

H1b_TPS _immigraiton

Yes you and apply for the TPS and have H-1B concurrently