Perhaps you should try some spelling variations:
communication constructive » communication interactive, communication structure, communication cooperative
communication structuring » communication structures, communication strategies, communication security
based dispersion » wave dispersion, gas dispersion, based discussion
dispersion index » dispersions under, dispersion model, dispersions induced
index tree » index free, index time, indexing tree

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((communication constructive) or (communication structuring)) based dispersion index tree~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((communication constructive) OR (communication structuring)) based dispersion index tree.
• Adding a wildcard symbol may retrieve word variants: ((communication constructive) or (communication structuring)) based dispersion index tree*.