Perhaps you should try some spelling variations:
wang handling » wang yanling, cargo handling, waste handling
chen huang » chen shuang, chen huigang, chen yugang
seung yeon » jeong yeon, seung won, seung youn
seung joon » kyung joon, seung won, seung youn
dong yang » dong hoang, wang yang, yang yang
huang min » huang bin, huang lin, huang jing
hua chen » jui chen, yu chen, a chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong yang) or (wang handling)) ya hua chen huang min ((seung yeon) OR (seung joon)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang handling)) ya hua chen huang min ((seung yeon) OR (seung joon)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) or (wang handling)) ya hua chen huang min ((seung yeon) OR (seung joon)) ;".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (wang handling)) ya hua chen huang min ((seung yeon) OR (seung joon)) ;*.