How do I exclude some records from the search?

When building a search query, some sites can be excluded from consideration. For this, a word with a minus sign (“-“) in front of it is added to the main query. Sites containing words marked with this “-” will not be included in the list of found.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.