Commas in the post page tags areas means different words, so wordpress will see 1 bedroom,2 bathrooms,4 kithenrooms
as three separate words namely, 1 bedroom
, 2 bathrooms
and 4 kithenrooms
.
Create your tags to look like this 1 bedroom-2 bathrooms-4 kithenrooms
or1 bedroom 2 bathrooms 4 kithenrooms