Perhaps you should try some spelling variations:
how slower » has slower, low lower
yan phang » yan zhang, yong phang, yuan chang
phang der » anhang der, gang der, klang der
song mean » song min
wing yan » wang yan, wing ian, wing tan
der rent » der re, der rede
how slow » how low, grow slow, too slow

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: wing yan phang der rent song mean ((how slower) OR (how slow)) ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan phang der rent song mean ((how slower) or (how slow)) ;*.