Perhaps you should try some spelling variations:
working longer » working long
urban change » urban fringe, urban china
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) OR (working 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) OR (working longer)))) yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nan yan clan hua urban change ((work wong) or (((work longer) OR (working longer)))) yue ;".
• Adding a wildcard symbol may retrieve word variants: nan yan clan hua urban change ((work wong) or (((work longer) OR (working longer)))) yue ;*.