Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
dong yang » dong hoang, wang yang, yang yang
gene tang » gene bank
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
hong ghi » zhong zhi, hong g
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang dong yang hua gene tang li ((hong ghi) OR (hong hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dong yang hua gene tang li ((hong ghi) OR (hong hai)) ;*".