Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
documents reporting » documents supporting, documents relating, documents reports
reporting precision » separating precision, reporting decisions, editing precision
data matrix » data matrices
data peng » data penting
data pet » data peter, data petri, data part

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 reporting precision ((data peng) or (((data pet) or (data matrix))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documents reporting precision ((data peng) OR (((data pet) OR (data matrix)))).
• Adding a wildcard symbol may retrieve word variants: information documents reporting precision ((data peng) or (((data pet) or (data matrix))))*.