Perhaps you should try some spelling variations:
doing sin » dong sin, doing un, doing von
gong meng » gong gang, gong min
sin dann » sein dann, bin dann, ein dank
dann hat » wann hat, dang hai, man hat
hat when » what when, data when, art when
jong min » gong min, song min, song ming
yang yue » wang yue, yang yun, yang jui
yang xi » yang yi, yang jui

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: doing sin dann hat when ((jong min) OR (gong meng)) ((yang yue) OR (((yang xi) OR (yang di)))) ;~.
• Adding a wildcard symbol may retrieve word variants: doing sin dann hat when ((jong min) or (gong meng)) ((yang yue) or (((yang xi) or (yang di)))) ;*.