Perhaps you should try some spelling variations:
david loundy » david louis, david coulby, david luna
wang yidan » wang yan
yang liang » wang liang, yan liang, yang yang
bank david » black david, mark david, bank ravi
gene bank » gene banks, one bank, genomen bank
yang li » yang lin, yang di, yang xi

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 yidan ((yang li) OR (yang liang)) gene bank david loundy hr ;~.
• Adding a wildcard symbol may retrieve word variants: wang yidan ((yang li) or (yang liang)) gene bank david loundy hr ;*.