Perhaps you should try some spelling variations:
urban change » urban fringe, urban china
work longer » working longer
hua urban » hua ban
work wong » work long, work among, work work
yan clan » das clan, yan guan, yan yuan
clan hua » tan hua, tuan hua
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan yan clan hua urban change ((work wong) or (work longer)) yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan clan hua urban change ((work wong) OR (work longer)) yue ;.
• Adding a wildcard symbol may retrieve word variants: nan yan clan hua urban change ((work wong) or (work longer)) yue ;*.