Lawson Enterprise Search query syntax

Lawson Enterprise Search (LES) is based on Apache Lucene and its syntax is based on Apache Lucene Query Parser Syntax which is interesting to read to learn about Fields, Term Modifiers (Wildcard Searches, Fuzzy Searches, Proximity Searches, Range Searches, Boosting a Term), Boolean Operators (AND, +, NOT, -), Grouping, Field Grouping, and Escaping Special Characters..