Founder of WorldsBestCaseStudies.com, Digital/Social/Mobile Media Consultant, Social. Speaker on the 'Future of Media' at India International Jewellery Show 2012, Trainer in Digital Marketing.
You can still do it anyway. This is the old method. Replace the search keyword. Also Facebook intends to launch conversational search soon. So do not build one unless you intend to code it yourself https://www.facebook.com/search/results.php?q=trident%20bkc&type=eposts&init=quick&tas=0.09978408319875598