Perhaps you should try some spelling variations:
"sun series in african urban studies." » "sun series in africa urban studies.", "sun series in africas urban studies.", "sun series in africa's urban studies.", "issn series in african urban studies.", "kun serries in african urban studies.", "asean series in african urban studies."
"suny series in african rural studies." » "suny series in african rural students.", "suny series in african israel studies.", "suny series in african legal studies."

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: (("sun series in african urban studies.") OR ("suny series in african rural studies."))~.
• Removing quotes may allow a broader search: (( sun series in african urban studies. ) or ( suny series in african rural studies. ))~.
• Adding a wildcard symbol may retrieve word variants: (("sun series in african urban studies.") or ("suny series in african rural studies."))*.