Perhaps you should try some spelling variations:
german gender » german lander, germany under, german border
john ngosong » john song
human gene » human genome, human gender, human bone
shang john » change john, shang jin, shang jen
hy5 gene » 8.5 gene
yan yan » yan yuan, nan yan, yang yang
wang » wing, wan, lang

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 yan ((hy5 gene) or (((human gene) or (german gender)))) shang john ngosong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yan ((hy5 gene) OR (((human gene) OR (german gender)))) shang john ngosong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yan yan ((hy5 gene) or (((human gene) or (german gender)))) shang john ngosong shu ;*.