Perhaps you should try some spelling variations:
intensity conflicts » identity conflict
28military science » military since
military sciences » auxiliary sciences, military sites, military services
military defence » military offenses, military finance

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: %22low-intensity conflicts %((((28military science) OR (military science))) OR (((military sciences) OR (military defence))))%29%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22low-intensity conflicts %((((28military science) or (military science))) or (((military sciences) OR (military defence))))%29%22".
• Adding a wildcard symbol may retrieve word variants: %22low-intensity conflicts %((((28military science) or (military science))) or (((military sciences) OR (military defence))))%29%22*.