can not make 5 partition of my internal mac hd

i have a 3tb internal hd. i want to make 5 partition. but i can only make 2 partitions. i am using disk utility. right now i have hardly 3gb of data + osx and applications/softwares on the hd.

before copying all of data on this mac hd i want to partition it.

i am running osx yosomite.

plz answer in detail, because its my forst mac.