Perhaps you should try some spelling variations:
"world transit services industry services during" » "world transit services industry series during", "world transit services industrial services during", "world transit services industry prices during", "world transport services industry services during", "world transport service industry services during", "world training services industry services during"
"world trade cross country cases during" » "world trade cross country case during", "world trade cross country aids during", "world trade cross country analyses during", "world trade cross country biases during", "world trade cross country rates during", "world trade cross country cases using", "world trade costs country cases during", "world trade loss country cases during"

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 transit services industry services during") or ("world trade cross country cases during"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("world transit services industry services during") OR ("world trade cross country cases during")).
• Removing quotes may allow a broader search: (( world transit services industry services during ) or ( world trade cross country cases during )).
• Adding a wildcard symbol may retrieve word variants: (("world transit services industry services during") or ("world trade cross country cases during"))*.