ADMINISTRATIVE LAW - RIGHT TO INFORMATION - REFUSAL OF ACCESS - DOCUMENTS NONEXISTENT OR UNLOCATABLE - applicant submits respondent did not locate relevant documents - scope of access application - whether respondent has conducted all reasonable searches - whether access to documents may be refused on the basis they are nonexistent or unlocatable - sections 47(3)(e) and 52(1) of the Right to Information Act 2009 (Qld)