small problem in koha

hi
it's my first time with you , finally we have koha in our library , i'm from africa . we are facing a probem in search records , every thing is alright in installation but when insert record and searching no results but when running rebulid zebra , i can found it , is it logicaly after inserting records running rebuild zebra , i searching on web for this problem i think i'm tried every thing so i send on this mailing list , i found alot of problems and solutions , this is very nice , thank's