Perhaps you should try some spelling variations:
house communications » voice communications (Expand Search), mobile communications (Expand Search), group communications (Expand Search)
burst communications » rural communication (Expand Search), b communications (Expand Search), bfsk communication (Expand Search)
edge communications » large communications (Expand Search), line communications (Expand Search), rate communications (Expand Search)
director » direction (Expand Search), direct (Expand Search), directly (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "white ((((house communications) OR (edge communications))) OR (burst communications)) director~".
• Adding a wildcard symbol may retrieve word variants: white ((((house communications) OR (edge communications))) OR (burst communications)) director*.