Perhaps you should try some spelling variations:
la regulation » la relation, de regulation, self regulation
regulation a » regulation _
hong hong » hong kong, hong jong, hong ng
dong bin » dong sin, dann bin
dong di » dong sin
a henri » _ henri, a henry, car henri
a rein » a reine, a region
a reit » a relict

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 di))) or (hong hong)) yet ((a rein) OR (a reit)) la regulation a henri ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong bin) OR (dong di))) OR (hong hong)) yet ((a rein) OR (a reit)) la regulation a henri ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((dong bin) or (dong di))) or (hong hong)) yet ((a rein) OR (a reit)) la regulation a henri ;*".