Only few decorations in hay day?

Hi,

I have few decorations. but if i visit others farm they have unique decorations than me. each player have different decorations. but the shop has only few decorations. how do they get that?

Please help.

I didn't find the right solution from the Internet.

References:

https://forum.supercell.com/showthread.php/1718928-Only-few-decorations-in-hay-day

Online Promotional Examples

Thanks