Learning a second language is complex and requires a lot of effort on the part of the learner and patience on the part of the teacher. Our question was as follows: do these techniques used to learn better and faster really work? It is therefore interesting to check whether college students use these strategies to learn new vocabulary related to their fields of study. We suggest that other studies, putting students in a specific learning situation, be conducted to better understand whether the use of strategies has an impact on vocabulary acquisition.