Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
hat dimensions » data dimensions, head dimensions, pit dimensions
hat dimension » a dimension, tacit dimension, pit dimensions
case linker » based linker, cases linked, base linked
base line » based online, based linear

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

• Performing a fuzzy search may retrieve terms with similar spellings: information documents ((hat dimension) or (hat dimensions)) ((case linker) or (base line))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documents ((hat dimension) OR (hat dimensions)) ((case linker) OR (base line)).
• Adding a wildcard symbol may retrieve word variants: information documents ((hat dimension) or (hat dimensions)) ((case linker) or (base line))*.