Perhaps you should try some spelling variations:
yang study » yang judy, arg study
david hong » david ng
lang yan » wang yan, wang yang, zhang yan
yan yang » yang yang, yao yang, dan yang
one bank » money bank, gene bank, one book
die bank » die banken
hong ghi » zhong zhi, hong g, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan yang study ((one bank) or (die bank)) david hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan yang study ((one bank) OR (die bank)) david hong ghi ;.
• Adding a wildcard symbol may retrieve word variants: lang yan yang study ((one bank) or (die bank)) david hong ghi ;*.