Perhaps you should try some spelling variations:
communication foundation » communication education, communication communication, communication information
curves multidimensional » surveys multidimensional, clusters multidimensional, ciphers multidimensional
foundation curves » foundation course, foundation server, foundation lectures
data invited » data limited

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• Performing a fuzzy search may retrieve terms with similar spellings: communication foundation curves multidimensional data invited~.
• Adding a wildcard symbol may retrieve word variants: communication foundation curves multidimensional data invited*.