Use alternative terms and word forms:
jam, jammed, jamming, block, blocked, blocking, disrupt, disrupting, negation
When possible, try truncation symbols (usually a *):
These resources have included reported incidents of SATCOM jamming incidents
LexisNexis Academic and Nexis.com (available on our Database page) are excellent sources of new articles on satellite jamming incidents. This example is from Nexis.com, but you can do similar searches in LexisNexis Academic.