Perhaps you should try some spelling variations:
"the urban housing series" » "the urban housing services", "the urban using series", "the urban housing serve"
"the urban air services" » "the urban air service", "the urban car services", "the urban der services"
"the urban air series" » "the urban air species", "the urban air strikes", "the urban haar series"

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: (((("the urban air series") OR ("the urban air services"))) OR ("the urban housing series")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the urban air series\") OR (\"the urban air services\"))) or (\"the urban housing series\"))".
• Removing quotes may allow a broader search: (((( the urban air series ) OR ( the urban air services ))) or ( the urban housing series )).
• Adding a wildcard symbol may retrieve word variants: (((("the urban air series") OR ("the urban air services"))) or ("the urban housing series"))*.