Perhaps you should try some spelling variations:
wang handling » wang yanling, cargo handling, waste handling
hong dahyeon » jeong dahyeon
zhang tian » zhang jian, zhang silan, zhang yifan
yang yang » wang yang, wang yan
tian hong » tan hong, tin hong, kia hong
hua shen » han shen, hua ren, jia shen
hua chen » jui chen, yu chen, a chen

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: ((yang yang) OR (wang handling)) ya ((hua shen) OR (hua chen)) zhang tian hong dahyeon ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (wang handling)) ya ((hua shen) OR (hua chen)) zhang tian hong dahyeon ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (wang handling)) ya ((hua shen) OR (hua chen)) zhang tian hong dahyeon ;*.