To replace a single character anywhere within a word. Environment* polic*, comput* , wom? Use "and" or "or" to specify multiple words in any field, any order. Use "and not" to exclude words. Alaska or canada) and (adventure and not vacation). Use "near" to specify words close to each other, in any order. A field limit causes the system to search only the specified field for the specified word(s). How to use the catalogue. Can't find the book you want here? Request books from other BONUS libraries.