Full-text Search for Particle and Density

We want to search for the words "particle" and "density" in the database. We open the tab "Search by Reference Material" and type "Particle" into "Text":

The result is a list of 6 products:

Upon further inspection, it shows that the word "Particle" is mentioned in "Remarks":

When searching for "Density" in "Text", the word density shows in the composition of the products: