Perhaps you should try some spelling variations:
relation zhong » relation among, relations among, relation von
law relation » la relation, law regulation, law relating
zhong tai » hong tan, hong hai, zhong zhi
hua chen » jui chen, yu chen, a chen
dong bin » dong sin, dong di, dann bin
hong ng » hong kong, hong jong, hong hong

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: ((dong bin) OR (hong ng)) ya ((hua ren) OR (hua chen)) law relation zhong tai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong bin) or (hong ng)) ya ((hua ren) OR (hua chen)) law relation zhong tai ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong bin) or (hong ng)) ya ((hua ren) OR (hua chen)) law relation zhong tai ;*.