Perhaps you should try some spelling variations:
"white mobile communications directly" » "when mobile communications directly" (Expand Search), "white model communications directly" (Expand Search), "white noise communications directly" (Expand Search)
"white mobile communication directly" » "when mobile communication directly" (Expand Search), "white model communication directly" (Expand Search), "white noise communication directly" (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 mobile communications directly") OR ("white mobile communication directly"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"white mobile communications directly\") OR (\"white mobile communication directly\"))".
• Removing quotes may allow a broader search: (( white mobile communications directly ) OR ( white mobile communication directly )).
• Adding a wildcard symbol may retrieve word variants: (("white mobile communications directly") OR ("white mobile communication directly"))*.