Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
data imprecision » based imprecision, table imprecision, data compression
documents data » documents a
data planning » a planning, area planning, land planning
data creating » data cleaning
data testing » data fitting, a testing, data writing

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 data imprecision ((((data planning) or (data testing))) or (data creating))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documents data imprecision ((((data planning) OR (data testing))) OR (data creating)).
• Adding a wildcard symbol may retrieve word variants: information documents data imprecision ((((data planning) or (data testing))) or (data creating))*.