Perhaps you should try some spelling variations:
labor working » labor earning, about working, labor during
working long » working longer, working poor, working life
yan liang » yang liang, wang liang, you liang
long dong » long bond, jeng dong, long do
dong ping » dong sin, dong bin, dong jung
ii labor » ii labour, iii labor, ii libor

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: lang ((yan liang) OR (wang yan)) ii labor working long dong ping ;~.
• Adding a wildcard symbol may retrieve word variants: lang ((yan liang) or (wang yan)) ii labor working long dong ping ;*.