Perhaps you should try some spelling variations:
und erklarung » und aufklarung, zur erklarung, die erklarung
how slower » has slower, low lower
wang und » zwang und, gang und, lang und
jae song » jae yong, jie song, jae young
song min » song ming, gong min, jong min
how slow » how low, grow slow, too slow
der jae » der jahre, der jede

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: wang und erklarung der jae song min ((how slow) OR (how slower)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang und erklarung der jae song min ((how slow) or (how slower)) ;*.