Perhaps you should try some spelling variations:
"world trading costs industry business guide" » "world trading costs country business guide", "world trading costs industry bodies guide", "world trading costs introductory business guide", "world trading cross industry business guide", "world trading costs industrial business guide", "world trading cotton industry business guide"
"world trade press central business guide" » "world trade areas central business guide", "world trade across central business guide", "world trade does central business guide", "world trade prices central business guide"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("world trading costs industry business guide") or ("world trade press central business guide"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("world trading costs industry business guide") OR ("world trade press central business guide")).
• Removing quotes may allow a broader search: (( world trading costs industry business guide ) or ( world trade press central business guide )).
• Adding a wildcard symbol may retrieve word variants: (("world trading costs industry business guide") or ("world trade press central business guide"))*.