Translation:That institute does not offer a Portuguese course.
INSTITUTION is a very general word referring to an organized enterprise involved with some social function, such as health, education, welfare, research, or penal reform. It is usually not for profit. Hence it turns up mostly in phrases such as mental institution or educational institution. Used alone as in "he spent two years in an institution" it is shorthand for a mental hospital. So be careful of context. We wouldn't use it to refer to a company or a government department. ALSO it can mean set of customs or practices, a social construct, such as "the instution of marriage." An INSTITUTE is an institution specifically with some teaching or research function and has a physical location and employs a faculty or group of "fellows."