gingerbread office vs longhouse

gingerbread office

noun
  • An office in the gingerbread Victorian style. 

longhouse

noun
  • A long communal housing of the Iroquois and some other American Indians, the Malaysians, the Indonesians, the Vikings, and many other peoples. 

How often have the words gingerbread office and longhouse occurred in a corpus of books? (source: Google Ngram Viewer )