Expert Search is a kind of powerful and specific searching, include Boolean operators.

Search Pattern Type in words or phrases in Search Pattern box.
Field/Category Select Field/Category Ex. Author, Title, Subject, etc. เป็นต้น
Database Select Database.
Search Click Search for searching.
Reset Click Reset for clear words or phrases in new search.

Steps in Using Boolean/Expert Search
And ELIB system will search for records containing both words in the same or different field.
OrELIB system will search for records containing either the first word or the second word or both, in the same or different field.
Not ELIB system will search for records containing the first word and not the second word.
Adjacent ELIB system will search for records which have both words next to each other in the same field
WithELIB system will search for records containing both words in the same field.

Steps in Using Expert Search
1. Type in the first word in Search Pattern box.
2. Select Field/Category Ex. Author, Title, Subject, etc.
3. Select Database for searching.
4. Type in the second word in Search Pattern box.
5. Select Field/Category Ex. Author, Title, Subject, etc.
6. Select the Boolean word that you want to use Ex. And, Or, Not, Adjacent and With.
7. Select Database.
8.Click Search for searching.

Search Result
If it has no data will be shown No Entries
If it has dataThe two words that you type will be displayed in the Occurrence List. It has symbols such as “&” to represent the Boolean Operator “and”. Click the keyword under Search Result: Occurrence List. The list of results you can click on records. It will display the bibliographic information.