Perhaps you should try some spelling variations:
song seng » hong seung, dong sheng, hong sheng
gene yang » gene bank
jing guo » xin guo
yang jin » yang jie, yang jun, ying jin
song seo » hong seo, song so, kong sek
jing ho » jong ho, jang ho, jing zhu
wang » wing, wan, lang
sheng » cheng, zheng

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((jing ho) or (jing guo)) gene yang jin ((song seo) or (((song seng) or (fang sheng)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((jing ho) OR (jing guo)) gene yang jin ((song seo) OR (((song seng) OR (fang sheng)))) ;.
• Adding a wildcard symbol may retrieve word variants: wang yan ((jing ho) or (jing guo)) gene yang jin ((song seo) or (((song seng) or (fang sheng)))) ;*.