"in depth enquiry" is grammatically correct and can be used in written English.
It is typically used when describing a thorough or comprehensive investigation into a particular topic or issue. Example: The committee conducted an in-depth enquiry into the company's financial records to determine any discrepancies or mismanagement.
Smith is currently in the process of conducting an in-depth enquiry into the BBC's practices between 1964 and 2007, the years which it employed Savile.
This paper presents part of an operational approach that aims to rebuild the synergy among architectural design, building management and use: an in-depth enquiry conducted through surveys and questionnaires, that offers a new perspective aimed at validating the actual effectiveness and suitability of design solutions.
This research article describes the in-depth enquiry into patients' perspectives of group psychoeducation for bipolar disorder.
This situation calls for an in-depth enquiry into the functioning of this scheme and for further corrective actions.
The stage is now set for further, in-depth enquiry of various functions of XPA in this animal, which, in turn is likely to provide vital clues on its evolutionary significance.
Putative active ingredients included the patients' "openness to the mind-body connection", consultational empathy, in-depth enquiry into bodily complaints, disclosure, the remedy matching process and, potentially, the homeopathic remedies themselves.
Supportive listening was chosen as an "attention control" because it contains the non-specific factors of homeopathic treatment such as the opportunity for disclosure and empathy without containing the specific effects such as the homeopathic medicine and the in-depth enquiry into bodily complaints.
Conduct in-depth research.
The profundity of the novel lies exactly in this depth of enquiry into the biggest question: what is one's place in the world and how does one fit into it?
Rather, in this work we adopted the interpretive position that trades off notions of sampling, significance and generalizability in favor of depth of enquiry, contextualization, abstraction, dialogue and critical reflection [ 30, 60, 70].
The purpose of the Delphi was to reduce the many potential components of a screening intervention, in terms of who to screen and how in terms of optimal testing schedule, to a reduced set of potential interventions that could be explored in depth in a qualitative enquiry within a UK National Health Service (NHS) context.
