Perhaps you should try some spelling variations:
international efforts » international airports, international energy, international airport
registration process » registration fees
de registration » deed registration, sme registration, 4 registration
support de » support _, support a, support 4
supply 3 » supply a, supply 4

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: (( ((supply 3) OR (supply _)) international efforts. ) OR ( support de registration process. ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((supply 3) OR (supply _)) international efforts. ) or ( support de registration process. ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((supply 3) OR (supply _)) international efforts. ) or ( support de registration process. ))*.