Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
wang yong » wang yang, wang hyoung, wang yan
chung jae » chung hee
yong yan » yang yang, dong yang, ying yang
hy5 gene » 8.5 gene
song shu » song shin, tong shui, wong shiu
hua ren » hua chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong yan ((((hua ren) or (hy5 gene))) or (human gene)) chung jae ((song shu) or (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yan ((((hua ren) OR (hy5 gene))) OR (human gene)) chung jae ((song shu) OR (cong shu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yong yan ((((hua ren) or (hy5 gene))) or (human gene)) chung jae ((song shu) or (cong shu)) ;*.