Now, before tu start copypasting tags, I recommend tu click the button circled in red. This expands your buscar so that if your palabra clave is matching part of a longer tag not exactly the same as your palabra clave but still containing your keyword, it will mostrar up in your search.

Common etiquetas for KnB
•黒バス：”Kurobasu” The abbreviation for “Kuroko no basket”
•目からバニラシェイク: Literally means “vanilla milkshake is coming out from my eyes”. This tag is used for fanart/fanfiction that is KnB-related and tear-jerking.
•目からおしるこ: means “oshiruko is...