Perhaps you should try some spelling variations:
integration theories » integration theorems, integrationstheorie 2, integration theory
group integration » group interaction, group interactions, erp integration
ranking services » banking services, banking service, making services
support group » support grant
from ranking » from banking, from taking, from linking

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• Performing a fuzzy search may retrieve terms with similar spellings: (( support group integration theories. ) or ( support from ranking services. ))~.
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