Perhaps you should try some spelling variations:
dan china's » can china's, did china's, sen china's
green farm » green farms, green card, green care
wage young » jae young
yang yang » wang yang, wang yan
dong jung » hong jong, dong ping, dong yang
farm wage » farm wages, firm wage, farm water
young min » young men, young man, young eun

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: ((((yang yang) OR (dong sin))) OR (dong jung)) dan china's green farm wage young min ;~.
• Adding a wildcard symbol may retrieve word variants: ((((yang yang) or (dong sin))) or (dong jung)) dan china's green farm wage young min ;*.