Perhaps you should try some spelling variations:
"while nano communication connection" » "while nano communication communication" (Expand Search), "while nano communication reception" (Expand Search), "while nano communication application" (Expand Search), "while radio communication connection" (Expand Search), "while new communication connection" (Expand Search), "while a communication connection" (Expand Search)
"white bfsk communication director" » "white risk communication director" (Expand Search), "white mass communication director" (Expand Search), "white band communication director" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("white bfsk communication director") OR ("while nano communication connection"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"white bfsk communication director\") OR (\"while nano communication connection\"))*".
• Removing quotes may allow a broader search: (( white bfsk communication director ) OR ( while nano communication connection ))*.