Perhaps you should try some spelling variations:
bank david » black david, mark david, bank ravi
david hong » david ng
yang yao » yang yang, wang yan, yang yi
yang jui » yang judy, yang di, yang xi
buy more » guy morel, buy me, why more
hong hai » shang hai, zhong tai, dang hai
buy one » body one, buy come

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yao) or (yang jui)) yang ((((buy one) OR (buy more))) or (study one)) bank david hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yao) OR (yang jui)) yang ((((buy one) OR (buy more))) OR (study one)) bank david hong hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yao) or (yang jui)) yang ((((buy one) OR (buy more))) or (study one)) bank david hong hai ;".
• Adding a wildcard symbol may retrieve word variants: ((yang yao) or (yang jui)) yang ((((buy one) OR (buy more))) or (study one)) bank david hong hai ;*.