Searching within LinkedIn groups' members is limited to keywords only. If you search from within a group it may take a lot of time to sort out the results. However there is a way to do an advanced
search within groups (one or more) and contact members - for free, without a paid account required.
Here is an example.
Looking for J2EE Engineers on LinkedIn (as an example).
1. Join all LinkedIn groups that are relevant. Search for groups in the group section… Continue