Perhaps you should try some spelling variations:
engineereds » engineered, engineers, engieered, engineerseds, engineerededs, engineeds
enginered » engineered, engieered, engendered
bioengineered » bioengineers, bioengineering, engineered, bioengineersed, bioengineereded, bioengineed
enineered » engineered, engieered, reengineered
engineed » engined, enginee, engineered
engineer » engineers, engineered, engine

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: ((engineereds OR ((enginered OR bioengineered) OR (enineered OR engineed))) OR engineer).
• Adding a wildcard symbol may retrieve word variants: ((engineereds or ((enginered or bioengineered) or (enineered or engineed))) or engineer)*.