Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
nein das » sein das
neid das » feind das, feld das, neid als
ying jin » yang jin, jing ji, yang jie
yang yi » yang di, yang jui
yang xi » yang di, yang jui
hong ng » hong kong, hong jong, hong hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong ((nein das) OR (neid das)) human gene ((ying jin) or (((yang yi) or (yang xi)))) hong ng ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong ((nein das) OR (neid das)) human gene ((ying jin) OR (((yang yi) OR (yang xi)))) hong ng ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((nein das) OR (neid das)) human gene ((ying jin) or (((yang yi) or (yang xi)))) hong ng ;".
• Adding a wildcard symbol may retrieve word variants: dong ((nein das) OR (neid das)) human gene ((ying jin) or (((yang yi) or (yang xi)))) hong ng ;*.