Perhaps you should try some spelling variations:
yala human » data human, malawi human
human gene » human genome, human gender, human bone
dong nana » dong nan, dong yang
nana yala » nana yaa
gene yang » gene bank
dean hong » tan hong, can hong
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong nana yala human gene yang dean hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: dong nana yala human gene yang dean hong hai ;*.