Perhaps you should try some spelling variations:
country express » country exporters, country exports, country experts
express series » express services, press series, exporters series
trade country » grade country, dade country, france country
controls food » controls good, controls both, controls your
food series » food services, oed series, food reserves
price » prices

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( trade country express series ) or ( price controls food series ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trade country express series ) OR ( price controls food series )).
• Adding a wildcard symbol may retrieve word variants: (( trade country express series ) or ( price controls food series ))*.