Perhaps you should try some spelling variations:
change kong » change long, change hong, change among
wage change » wage changes, rate change, make change
yuan chang » yuan cheng, huang chang, han chang
yuan kang » chan kang, yuan kai, yuan ming
yuan wang » yan wang, qian wang, yu wang
gene wage » gender wage, gene we, lane wage
yang iii » klang iii, yang zili, zwang iii
iii gene » iii rene, iii gender, iii genome

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: ((((yuan kang) OR (yuan wang))) OR (yuan chang)) yang iii gene wage change kong (sar OR star) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yuan kang) OR (yuan wang))) or (yuan chang)) yang iii gene wage change kong (sar or star) ;~".
• Adding a wildcard symbol may retrieve word variants: ((((yuan kang) OR (yuan wang))) or (yuan chang)) yang iii gene wage change kong (sar or star) ;*.