Perhaps you should try some spelling variations:
when coal » when goal, women coal, when can
coal ming » coal mine, coal mining, coal mines
yang yang » wang yang, wang yan
sin dann » sein dann, bin dann, ein dank
yang jui » yang judy, yang xi
yang yi » yang xi
dann i » dann _, ann i, dann bin
i when » ii when, 3 when, 4 when
dong » doing, long, done

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: dong sin dann i when coal ming ((((yang yang) OR (yang yi))) OR (((yang di) OR (yang jui)))) ;~.
• Adding a wildcard symbol may retrieve word variants: dong sin dann i when coal ming ((((yang yang) or (yang yi))) or (((yang di) or (yang jui)))) ;*.