Sending non-fully translated academic transcripts for US PhD admissions
Many university departments have officers for the internationalization of the department. Talk to this person. If she/he is willing to sign a letter stating what these course names translate to and she/he puts an official stamp on it, this should be a good solution. You would add this official letter as an addition to your application.

Suggest to this person that you will prepare the letter. If your offer is accepted, this saves a lot of work for this person, and she/he is more likely to accept. If the internationalization officer wants to rather perform the translation herself/himself, then....well, less work for you!