How to enter Russian words and collocations

Rules of entering a word:

Rules for entering a collocation:

  1. The main word in a collocation should be entered according to the rules for entering words.
  2. There may be no more than two changeable words in a collocation.
  3. The main (changeable) word in a collocation should be the first, or the last in the collocation (for example, надежный в эксплуатации, содержать в себе, автомобильная дорога, в двух экземплярах.). 
  4. If a collocation contains a hyphen, insert a space symbol before and after the hyphen (for example, ракета - носитель).
  5. If a collocation contains a comma, insert a space symbol before and after the comma (for example, связь , обновляемая вручную)