Performance on select join vbap/vbak/vbep

Hello,

I would like to know how improve the performance (time-reponse) of my select :

SELECT

ap_{matkl ap}prodh ap_{matnr ap}arktx ap_{vbeln ap}posnr ap_{netwr ap}kzwi3 ap_{kzwi1 ap}mwsbp

ep_{bmeng ep}wmeng ep_{edatu ap}vrkme ap~brgew

INTO CORRESPONDING FIELDS OF TABLE p_tvbapcache

FROM vbap AS ap

INNER JOIN vbep AS ep ON ap_{vbeln = ep}vbeln AND ap_{posnr = ep}posnr

INNER JOIN vbak AS ak ON ak_{vbeln = ep}vbeln AND ap_{vbeln = ak}vbeln

WHERE ak~vbeln NOT LIKE '0005%'

AND ep~vbeln NOT LIKE '0005%'

AND ap~vbeln NOT LIKE '0005%'

AND ep~edatu IN date

AND ap~prodh IN nomencla

AND ak~auart IN canal

AND ap~matnr IN numero

AND ap_{netwr <> 0 AND ap}netwr <> '0'

AND ep_{wmeng <> 0 AND ep}wmeng <> '0'

AND ep_{bmeng <> 0 AND ep}bmeng <> '0'

AND ap_{kzwi1 <> 0 AND ap}kzwi1 <> '0'

AND ak~faksk <> 'Z3'.

The performance are very very very poor...

For information, there are 18.329.040 entries in VBAP table; VBAK : 485.437 entries ; VBEP : 18.304.173 entries

Many thanks for yours ideas,