Perhaps you should try some spelling variations:
"architecture und london" » "architecture 2nd london", "architecture une london", "architecture under london", "architecture june london", "architecture 3d london", "architecture ltd london"
"architecture 1 london" » "architecture _ london", "architecture a london", "architecture 2 london", "architecture 91 london"
"architecture china lesson" » "architecture china lessons", "architecture china season", "architecture chile lessons"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("architecture und london") or ("architecture 1 london"))) or ("architecture china lesson"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("architecture und london") OR ("architecture 1 london"))) OR ("architecture china lesson")).
• Removing quotes may allow a broader search: (((( architecture und london ) or ( architecture 1 london ))) or ( architecture china lesson )).
• Adding a wildcard symbol may retrieve word variants: (((("architecture und london") or ("architecture 1 london"))) or ("architecture china lesson"))*.