1 year L (30days duration stays) need 6 months one without every 30 days leaving china

I have 1 year L (30days duration stays) and will expire in March 6, and i need 6 months visa without every 30 days leaving china, i've stayed in china for 5 years now. first 4 year i got X since i took my master in china. now am still looking for job here and my boyfriend's working here (on a Z). i've called many agencies in HK, they said they cant get me 6 months visa coz many of indonesian girl are working as ayi in here. is it still possible to get it without leaving every 30 days? please help me ASAP