termination of parental rights; N.C. General Statutes Subsections 7B-1111(a)(1)-(2); clear, cogent, and convincing evidence; findings of fact support termination grounds; reasonable progress to correct the conditions of neglect which led to children's removal; likelihood of future neglect; Subsections 7B-1110(a)(1)-(6); any relevant consideration; language and culture of parent and children; abuse of discretion; best interests of the children