Perhaps you should try some spelling variations:
encounters across » encounters among
counter measures » countermeasures _
counter features » center features, cluster features, corner features
counter masses » cluster masses, counter cases, counter markets
measures built » measures bill, measures best, measures bias
features built » features build, features bit, features bulk
across border » across borders, cross border, cross borders
masses brief » assets brief, assetsa brief, cases briefs

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( encounters across border-sloop ) OR ((( counter masses brief-sloop ) OR ((( counter measures built-sloop ) OR ( counter features built-sloop )))))).
• Adding a wildcard symbol may retrieve word variants: (( encounters across border-sloop ) or ((( counter masses brief-sloop ) or ((( counter measures built-sloop ) or ( counter features built-sloop ))))))*.