Perhaps you should try some spelling variations:
among syrian » among african, among german, among social
hua gene » human gene, a gene, hua ren
wang lei » wang li, zhang lei, wang zhi
wang fei » wang zhi, wang he, wang hui
wang wei » zhang wei, wang zhi
dong di » dong sin
long du » long d, long do, long run

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong di) or (among syrian)) ya hua gene ((wang lei) or (((wang fei) OR (wang wei)))) long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong di) OR (among syrian)) ya hua gene ((wang lei) OR (((wang fei) OR (wang wei)))) long du ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong di) or (among syrian)) ya hua gene ((wang lei) or (((wang fei) OR (wang wei)))) long du ;".
• Adding a wildcard symbol may retrieve word variants: ((dong di) or (among syrian)) ya hua gene ((wang lei) or (((wang fei) OR (wang wei)))) long du ;*.