Perhaps you should try some spelling variations:
"integrated service weather-groundwater model" » "integrated services weather-groundwater model", "integration services weather-groundwater model", "integrated service weather-groundwater models", "integrated service weather-groundwater modeling", "integrated service weather-groundwater under", "integrated service teacher-groundwater model", "integrated service whether-groundwater model", "integrated service teachers-groundwater model"
"integrated service baxter-groundwater model" » "integrated services baxter-groundwater model", "integration services baxter-groundwater model", "integrated service baxter-groundwater models", "integrated service baxter-groundwater modeling", "integrated service baxter-groundwater under", "integrated service after-groundwater model", "integrated service master-groundwater model", "integrated service matter-groundwater model"

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: (("integrated service weather-groundwater model") OR ("integrated service baxter-groundwater model")).
• Removing quotes may allow a broader search: (( integrated service weather-groundwater model ) or ( integrated service baxter-groundwater model )).
• Adding a wildcard symbol may retrieve word variants: (("integrated service weather-groundwater model") or ("integrated service baxter-groundwater model"))*.