Exclude words from a search?

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Exclude words from a search?

Ulrich Sutter
How can I exclude words from a search?
In the search mask there is only the parameter "AND" or "OR" listed. I tried to search with the "AND" parameter in connection with the operator "NOT + word" but it seems that it works not correctly.
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Re: Exclude words from a search?

Sandrine
The PATENTSCOPE search system supports ANDNOT. What is your query?