"require exploration" is a grammatically correct phrase and can be used in written English.
Example: The root causes of this issue require exploration in order to find a lasting solution.
Sources of construction materials (such as sand and rock aggregate needed in the production of concrete) often require exploration.
That would require exploration, which will now be deferred for years to come, although federal geological officials could potentially carry out acoustic tests to map oil reserves.
Dynamic problems require exploration by means of manipulating variables, observing effects, and drawing conclusions.
However, graduate nursing students have unique needs, and their perceptions and experiences of e-learning require exploration.
The fact is, however, that the most scientifically interesting missions require exploration platforms with capabilities for navigating such types of rugged terrain.
The purpose of this literature review is to present the outcomes of clinical studies on immediate and early loading protocols, identify shortcomings, and suggest a number of questions that still require exploration.
But really it is art that requires exploration.
There's nothing in it that requires exploration of his work as an IRA informant.
Equipment such as engines, compressors and drill bits require manufacturing and maintenance and the process requires exploration, drilling, fracturing and logging services.
The international daily increase in energy demands requires exploration of new and unconventional energy resources.
Sustaining mining activity in the camp requires exploration of orebodies near and adjacent to existing mines.
