Many international law journals are available - at least for part of their runs - electronically. Search (by title keyword) in both
Databases which are strong in journals on this topic are:
The LawBod's collection of issues of public international law journals from and including 2000 is at Internat 300 on Floor 3.
The arrangement is then alphabetical, by the first word of the journal's title. Older (ie 1999 and previous years) issues are on the Ground Floor.
Legal research cannot be done by relying on the "Articles & more" tab on SOLO, and/or Google Scholar.
There are special tools - make use of them!