This is the 97th most frequent Serbian word.
свега
"Свега" in Serbian means "of everything" or "everything" (genitive case).
Here, 'свега' is used to mean 'only' or 'just', emphasizing the small amount of time.
Имали су свега неколико минута да одлуче.
They had only a few minutes to decide.
In this sentence, 'свега' underscores the insignificance or small amount of the remaining things.
Све проблеме смо решили, али је остало још свега неколико ситница.
We solved all the problems, but only a few small things remain.
Here, 'свега' is used to refer to 'all' or 'everything', specifically indicating total recall of the subject discussed.