We have this, from four years back
which resulted in a ticket: http://www.boonex.com/trac/dolphin/ticket/2179 with milestone now set at Dolphin 8.
I discussed the same issue last year which resulted in this from AntonLV:
http://www.boonex.com/m/advanced-search-form
Of course it is needed for all search forms, not just profile searches.
