Perhaps you should try some spelling variations:
can change » urban change
work wong » work among, work work, kwok wong
work long » work longer, work among, work land
yan clan » das clan, yan guan, yan yuan
clan hua » tan hua, tuan hua
nan yan » nan ya, wang yan, qian yan
hua can » hua ban, arua can, hua chen

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 can change ((work wong) or (work long)) yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan clan hua can change ((work wong) OR (work long)) yue ;.
• Adding a wildcard symbol may retrieve word variants: nan yan clan hua can change ((work wong) or (work long)) yue ;*.