Perhaps you should try some spelling variations:
"world bank regional and sectional studies" » "world bank regional and functional studies", "world bank regional and regional studies", "world bank regional and observational studies", "world lanka regional and sectional studies", "world mask regional and sectional studies", "world urban regional and sectional studies"
"world park regional and spectral studies" » "world park regional and structural studies", "world park regional and general studies", "world part regional and spectral studies", "world park region and spectral studies", "world mask regional and spectral studies", "world par regional and spectral studies", "world pork regional and spectral studies"
"world urbano regional and sectoral studies" » "world urbano regional and sector studies", "world urbano regional and doctoral studies", "world urbano regional and temporal studies", "world urban regional and sectoral studies", "world urban regions and sectoral studies", "world urban region and sectoral studies", "word urban regional and sectoral studies", "world's urban regional and sectoral studies"
"world parks regional and sectoral studies" » "world parks regional and sector studies", "world parks regional and doctoral studies", "world parks regional and temporal studies", "world ards regional and sectoral studies", "world part regional and sectoral studies", "world markets regional and sectoral studies", "world works regional and sectoral studies", "world par regional and sectoral studies", "world parts regional and sectoral studies", "world pars regional and sectoral studies", "world porks regional and sectoral studies"
"world bank regional and sectional study" » "world lanka regional and sectional study", "world mask regional and sectional study", "world urban regional and sectional study"

Try widening your search to All Fields.

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: (((("world urbano regional and sectoral studies") OR ((("world parks regional and sectoral studies") OR ("world park regional and spectral studies"))))) OR ((("world bank regional and sectional studies") OR ("world bank regional and sectional study")))).
• Removing quotes may allow a broader search: (((( world urbano regional and sectoral studies ) or ((( world parks regional and sectoral studies ) or ( world park regional and spectral studies ))))) or ((( world bank regional and sectional studies ) or ( world bank regional and sectional study )))).
• Adding a wildcard symbol may retrieve word variants: (((("world urbano regional and sectoral studies") or ((("world parks regional and sectoral studies") or ("world park regional and spectral studies"))))) or ((("world bank regional and sectional studies") or ("world bank regional and sectional study"))))*.