Perhaps you should try some spelling variations:
john song » john wong, john bonn, john ngosong
yan jong » yan cong, nam jong, yan wang
lof gene » flow gene, l1 gene
hy5 gene » 8.5 gene
jin hong » tin hong, min hong, amin hong
jin song » jie song, kim song, jin ying
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan jong ((lof gene) OR (hy5 gene)) yang ((jin hong) OR (((jin song) OR (john song)))) seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan jong ((lof gene) or (hy5 gene)) yang ((jin hong) or (((jin song) OR (john song)))) seo ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan jong ((lof gene) or (hy5 gene)) yang ((jin hong) or (((jin song) OR (john song)))) seo ;*.