“Google-rivaling Vietnam startup Cốc Cốc Attracts $14 Mil German Investment”. 2015年4月6日閲覧。 “Based on the same Chromium source code used in Google’s Chrome web browser (as well as several others) the idea behind Cốc Cốc germinated in 2010 with the first official public display being in May 2013.”
“Is Cốc Cốc equipped to knock out Google in Vietnam?”. 2015年4月29日閲覧。 “Cốc Cốc’s system can automatically add lingual tones to Vietnamese text, or it can automatically detect spelling mistakes with 98-99% accuracy.”