Perhaps you should try some spelling variations:
duncan kalina » duncan scaling, duncan colin
kalina chang » china chang, colin chang
chang jui » chang gui, yang jui, chang su
yang july » yang judy, yang jui, yang jun
dang hadi » dang hai
jui chen » yi chen
yang yi » yang xi, yang jui

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: duncan kalina chang jui chen ((yang yi) OR (((yang di) OR (yang july)))) dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: duncan kalina chang jui chen ((yang yi) or (((yang di) or (yang july)))) dang hadi ;*.