after reading the openldap admin guide you mentioned 
<div>i understud that by using -X on the ldapsearch command </div><div>i should use the authzTo attribus as you said </div><div><br></div><div>but even we the changes i made on the file no diffrences was spoted...</div><div>
<br></div><div>i curtenly use the ACL above( it was my initial and best for my case i think ):</div><div><br></div><div><div><i>access to *</i></div><div><i>        by dn=&quot;cn=M@nSpi,dc=teipir,dc=gr&quot; write</i></div>
<div><i>        by dn=&quot;cn=Vlachakis Emmanouil,ou=Managers,dc=teipir,dc=gr&quot; manage</i></div><div><i>        by dn=&quot;cn=Oikonomakis Spyridwn,ou=Managers,dc=teipir,dc=gr&quot; manage</i></div><div><i>        by users read</i></div>
<div><i>        by * write</i></div><div><br></div><div><br></div><div>thnak you</div></div>