Because many of our journals and magazines are collected together in aggregated databases, adding and mixing several titles and publishers, searching is usually a matter of entering words and phrases that describe your topic, at least in the beginning.
(Begin here, just to get the hang of it!)
You can explore the magic of these selected collections:
Business Source Complete
ABI/INFORM Collection
CBCA Complete
LexisNexis Academic
Academic Search Premier
Research Library