Looking on the internet deeply has found these results:

lack of knowledge about the relationship between is the most popular phrase on the web.

lack of knowledge about the dependency between 10 results on the web	lack of knowledge about the relationship between 11,480 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	The pregnant women showed a lack of knowledge about the relationship between oral diseases and pregnancy complications (birth of premature babies and�... Alternative explanations such as a lack of knowledge,about the relationship between risk and return among,the current generation Chinese are also explored . because of lack of knowledge about the relationship between the systems providing the available data and the full range of the human population of interest ;. ... infections, and other viruses, they exhibited almost complete lack of knowledge about the relationship between HPV, abnormal Pap tests, and cervical cancer.

lack of knowledge about the dependency between

10 results on the web

lack of knowledge about the relationship between

11,480 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

The pregnant women showed a lack of knowledge about the relationship between oral diseases and pregnancy complications (birth of premature babies and�...
Alternative explanations such as a lack of knowledge,about the relationship between risk and return among,the current generation Chinese are also explored .
because of lack of knowledge about the relationship between the systems providing the available data and the full range of the human population of interest ;.
... infections, and other viruses, they exhibited almost complete lack of knowledge about the relationship between HPV, abnormal Pap tests, and cervical cancer.