Perhaps you should try some spelling variations:
man changed » main changes, has changed, a changed
changed iea » change iea, changed a, changed china
min hyoung » min hong, mun young
hyoung hai » hong hai
gene bank » gene banks, one bank, genomen bank
wang man » wang yan, wang ban, wang dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang man changed iea ((gene yang) or (gene bank)) min hyoung hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang man changed iea ((gene yang) OR (gene bank)) min hyoung hai ;*.