Perhaps you should try some spelling variations:
imperial administration » internal administration, medical administration, general administration
administration region » administrative region, administration regime, administration regionale
keung imperial » eng imperial, kings imperial, qing imperial
hak keung » han seung, man keung
hon keung » kin keung, man keung

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: (( hak keung imperial administration region of china ) OR ( hon keung imperial administration region of china )).
• Adding a wildcard symbol may retrieve word variants: (( hak keung imperial administration region of china ) or ( hon keung imperial administration region of china ))*.