Perhaps you should try some spelling variations:
transforming african » transforming asia, transforming arab
transforming rural » transforming our, transforming your, transforming a
african slaves » african states, african sahel, african state
travel surveys » travel survey, level surveys, panel surveys
slaves series » slavery series, lives series, spaces series

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( transforming african slaves series ) or ( transforming rural travel surveys ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( transforming african slaves series ) OR ( transforming rural travel surveys )).
• Adding a wildcard symbol may retrieve word variants: (( transforming african slaves series ) or ( transforming rural travel surveys ))*.