Perhaps you should try some spelling variations:
"white noise communication connection" » "white noise communication communication" (Expand Search), "white noise communication reception" (Expand Search), "white noise communication application" (Expand Search), "white mobile communication connection" (Expand Search), "white online communication connection" (Expand Search), "white voice communications connection" (Expand Search), "white horse communication connection" (Expand Search)
"white covert communication direction" » "white covert communication reception" (Expand Search), "white covert communication education" (Expand Search), "white covert communication application" (Expand Search), "white car communication direction" (Expand Search), "white commerce communications direction" (Expand Search), "white corporate communication direction" (Expand Search), "white forest communication direction" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("white covert communication direction") OR ("white noise communication connection"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"white covert communication direction\") OR (\"white noise communication connection\"))".
• Removing quotes may allow a broader search: (( white covert communication direction ) OR ( white noise communication connection )).
• Adding a wildcard symbol may retrieve word variants: (("white covert communication direction") OR ("white noise communication connection"))*.