Perhaps you should try some spelling variations:
underground building » underground mining, underground banking, underground cabling
underground blasting » underground banking, underground blast, underground cabling
underground parking » underground banking, underground workings, underground mining

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((underground building) OR (((underground blasting) OR (underground parking)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((underground building) or (((underground blasting) OR (underground parking))))".
• Adding a wildcard symbol may retrieve word variants: ((underground building) or (((underground blasting) OR (underground parking))))*.