Hi,
Yes you can use the above logic and implement it.
for e.g.
SELECT BUKRS BELNR GJAHR TCODE FROM BKPF
INTO TABLE IT_BKPF1 WHERE TCODE = 'FBCJ'.
SELECT BUKRS BELNR GJAHR TCODE FROM BKPF
INTO TABLE IT_BKPF2 WHERE TCODE = 'VF02'.
SELECT BUKRS BELNR GJAHR TCODE FROM BKPF
INTO TABLE IT_BKPF3 WHERE TCODE = 'FB60' OR TCODE = 'FB03'.
using it u can extract the documents in 3 different tables (in this case it_bkpf1,it_bkpf2,it_bkpf3.)