Tư vấn thẩm tra BCNCKT, TKBVTC-DT Wait, I need to output only the translation. The text is Vietnamese: "Tư vấn thẩm tra BCNCKT, TKBVTC-DT" translates to "Consultancy for appraisal of BCNCKT, TKBVTC-DT" — where BCNCKT (Báo cáo nghiên cứu khả thi = feasibility study report) and TKBVTC-DT (Thiết kế bản vẽ thi công – dự toán = construction drawing design and cost estimate). Keep codes as they are. Consulting services for appraisal of BCNCKT, TKBVTC-DT