Perhaps you should try some spelling variations:
conformation large » information large, conformation changes, conformation data
space extension » spaces extension, spaces extensions, span extension
array string » array strong, arrays strings, array sharing
large space » large sparse, large scale, large surface
array using » arrays using

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

• If you are trying to use Boolean operators, they must be ALL CAPS: conformation large space extension ((((array string) OR (array using))) OR (array format))~.
• Adding a wildcard symbol may retrieve word variants: conformation large space extension ((((array string) or (array using))) or (array format))*.