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Search operators are divided into basic operators and advanced operators.
* Basic operators are operators setting logical relationships between search words which include AND, OR, and NOT.

Expression of Basic Operators

Expression of Basic Operators
Search operator Example
AND operator [&], [ ] Search & Business or Search Business
OR operator [|] Search | Business
NOT operator [!] Search ! Business
  • Search & Business: Search all the results containing both keywords of “search” and “business”.
  • Search | Business: Search the results containing either “search” or “business”. Broader search results can be obtained.
  • Search ! Business: Search the results containing “search” but not “business”. This NOT operator is very useful tool to exclude unwanted documents with a specific word.
* An advanced operator is a search operator for getting more accurate results through setting a more detailed search area. Proximity searches, wild searches, and expansion of similar word searches are examples of advanced operators.

Expressions of Advanced Operators

Expressions of Advanced Operators
Search Operator Examples
Expansion of Similar Word[@] magazine@
  • Broader search results can be obtained by searching through an expansion of similar words with a similar word dictionary of the search engine. The search results with “Magazine#” will provide the same results of “magazine l journal l newspaper ”