KJV:
For the administration of this service not only supplieth the want of the saints, but is abundant also by many thanksgivings unto God;
NASB:
For the ministry of this service is not only fully supplying the needs of the saints, but is also overflowing through many thanksgivings to God.
KJV:
And when I was present with you, and wanted, I was chargeable to no man: for that which was lacking to me the brethren which came from Macedonia supplied: and in all things I have kept myself from being burdensome unto you, and so will I keep myself.
NASB:
and when I was present with you and was in need, I was not a burden to anyone; for when the brethren came from Macedonia they fully supplied my need, and in everything I kept myself from being a burden to you, and will continue to do so.