Perhaps you should try some spelling variations:
laws relating » law relating, lyons relating, data relating
laws relation » law relation, laws regulations, its relation
dong hoang » hong hong
dong bin » dong sin, dong di, dann bin
hua when » hua chen, a when, hua wei
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong bin) or (dong hoang)) ya hua when ((laws relation) OR (laws relating)) hong hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong bin) OR (dong hoang)) ya hua when ((laws relation) OR (laws relating)) hong hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong bin) or (dong hoang)) ya hua when ((laws relation) OR (laws relating)) hong hai ;*".