Gas pain 4 month old baby

My baby is having gas pain all the day since his 2 month he is not sleeping crying lot and trouble to pass gas .i did massage bycycle leg and tried colief , denitinox everything but he is not sleeping at night because of pain he stretches his body.. I’m very sas about this and i don’t know what to do i give him breastfeeding.. I’m new to this country I don’t have any relatives or any support I’m with my husband I’m very upset about my baby because we did inguinal hernia surgery last month for baby and I thought all the troubles will be finished after surgery but still he is not sleeping with this gas issue .sometimes I hate my life me and my husband can’t sleep properly we both are very tired because of him Please give me any suggestions