Perhaps you should try some spelling variations:
yala human » data human, malawi human
human gene » human genome, human gender, human bone
dong nan » dong yang, dong bin, dong cao
yang jun » pang jun, yang jin, yang judy
yang jui » yang judy, yang di, yang yi
yang xi » yang di, yang yi
hong 7 » hong w, hong a, hong g
sin » sign, sind, skin

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: ((dong nan) OR (dong sin)) yala human gene ((yang jun) OR (((yang jui) OR (yang xi)))) hong 7 ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong nan) OR (dong sin)) yala human gene ((yang jun) or (((yang jui) or (yang xi)))) hong 7 ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong nan) OR (dong sin)) yala human gene ((yang jun) or (((yang jui) or (yang xi)))) hong 7 ;*.