| Query | User |
|---|---|
| book underground home | entered by user 2953214 |
| build house under ground | entered by user ditto |
| build house under ground | entered by user ditto |
| earth shelters or homes | entered by user 15510876 |
| underground houses | entered by user 1732664 |
| underground houses | entered by user 4377964 |
| underground houses | entered by user 6809663 |