The desert_oasis.zip file you have requested: Maps Levels Missions / Multiplayer / 4 Player / C to D Titles / Desert Oasis - 406.5kb is not available. Perhaps try browsing all files for the game C&C3: Tiberium Wars and upload any files you want to share or are missing. This is the only information we could locate:
A 4-Player skirmish map from Masterleaf for Command and Conquer 3 Tiberium Wars. A Desert themed yellow zone map. Blue tiberium as well as green tiberium, some plateaus with defensive tower tech buildings to capture.