Perhaps you should try some spelling variations:
"white burst communication connection" » "white burst communication communication" (Expand Search), "white burst communication reception" (Expand Search), "white burst communication application" (Expand Search), "white burst communications connection" (Expand Search), "white bfsk communication connection" (Expand Search), "white mass communication connection" (Expand Search), "white forest communication connection" (Expand Search)
"white rural communication direction" » "white rural communication reception" (Expand Search), "white rural communication education" (Expand Search), "white rural communication application" (Expand Search), "white verbal communication direction" (Expand Search), "white human communication direction" (Expand Search), "white cultural communication direction" (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 rural communication direction") OR ("white burst communication connection"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"white rural communication direction\") OR (\"white burst communication connection\"))".
• Removing quotes may allow a broader search: (( white rural communication direction ) OR ( white burst communication connection )).
• Adding a wildcard symbol may retrieve word variants: (("white rural communication direction") OR ("white burst communication connection"))*.