your code is not very fast, as you search for $term twice. The following code does what you want :
#!/usr/bin/perl
use strict;
use warnings;
my @myTerms = ( 'foo bar', 'blah' );
my $term = "foo";
my ($match) = ( grep /\Q$term\E/, @myTerms );
print "$term does match with $match\n" if ($match);