Perhaps you should try some spelling variations:
german gender » german lander, germany under, german border
yang change » young change, making change, change change
human gene » human genome, human gender, human bone
wang yang » wang yan, wang liang, wang yanling
dann hari » dann hat, dann war
song bin » song bing, dong bin, song jin
bin dann » sein dann, bin da, ein dank

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang change ((human gene) or (german gender)) song bin dann hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang change ((human gene) OR (german gender)) song bin dann hari ;*.