Perhaps you should try some spelling variations:
among syrian » among african, among german, among social
wang lei » wang wei, wang li, zhang lei
wang fei » wang wei, wang zhi, wang he
dong di » dong sin
long du » long d, long do, long run
a gene » a genre, a gender, a gentle
ya a » a a, y a, ye a

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 a gene ((wang lei) OR (wang fei)) long du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong di) OR (among syrian)) ya a gene ((wang lei) OR (wang fei)) long du ;".
• Adding a wildcard symbol may retrieve word variants: ((dong di) OR (among syrian)) ya a gene ((wang lei) OR (wang fei)) long du ;*.