"very limited knowledge" is correct and usable in written English.
You can use this phrase when describing someone's understanding of a particular concept or topic. For example: "The intern had only very limited knowledge of the company's policy manual."
The present study extends the so far very limited knowledge on structure activity relationships of P2X4 receptor antagonists.
However, up to the present day, only very limited knowledge is available on the forming behavior of additively manufactured materials.
However, there is very limited knowledge concerning the evolution of green roof hydrological performance with system age.
However, very limited knowledge is known about the residual axial capacity of CFDST columns following severe blast loadings.
Despite the function of muscle mitochondria being closely related to the physical performance, there is very limited knowledge regarding the effects of ALA on the skeletal muscle.
The connectivity of the claustrum has been extensively studied in animals, but there is very limited knowledge on the structural connectivity of the human claustrum.
It is surprising that only few Aloe spp. have been grown and commercialized; this might be due to the very limited knowledge of their potent bioactive compounds.
It is shown that the proposed control algorithm is able to cope with input constraints and requires only a very limited knowledge of the process parameters.
"I think it's good for people who perhaps have a very limited knowledge of ancient music to know there were great composers already in those times," Mr. Pollini said.
Very limited knowledge exists about the regulation of carboxylesterase protein expression and activity.
In response, the company chairman agreed that Mr Dixon had a very limited knowledge of the Assembly's accountability processes.
