http://www.google.com/search?as_q=je &num=10&hl=en&ie=UTF-8&oe=UTF-8&c2coff=1&btnG=Google Search&as_epq=ne sais quoi&as_oq=&as_eq=&lr=lang_en&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&as_occt=any&as_dt=i&as_sitesearch=&safe=off
24,200 English pages for je "ne sais quoi"
http://www.bartleby.com/61/99/J0029900.html
je ne sais quoi
NOUN: A quality or attribute that is difficult to describe or express:
“Fishing has lacked a certain je ne sais quoi in terms of its public image, as all activities must that involve beer, worms and one-size-fits-all gimme caps” (Charles Leerhsen).
