Perhaps you should try some spelling variations:
development efforts » development report
rural development » social development
technology male » technology make, technology scale, technology mara
male relative » male relatives, die relative, a relative
driven mobile » driven mobility, driven models, driven bubble
costs rural » cost rural
efforts acd » efforts amid, efforts old, efforts data

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• Adding a wildcard symbol may retrieve word variants: technology male relative _ driven mobile communication costs rural development efforts acd.*.