As of standard when searching your search will look up on document name, product identifier, and attribute content.
If you want more advanced search function? Use these functions:
Conditions for the document name
*keyword - the name of the document must contain the highlighted word.
!keyword - the highlighted word must not be in the document name.
Conditions for the document attributes
"" - searches for documents that do not have the attribute.
"attribute name" - searches for documents that do not have an attribute with name "attribute name".
!"" - searches for documents that have an attribute.
!"attribute name" - searches for documents that have an attribute with name "attribute name".
Operators
&& - connect conditions with operator "and"
|| - connect conditions with operator "or"
Additional rules
the advanced search string must not contain whitespaces(unless they are inside brackets of the attribute search)
the attribute name inside the brackets must be completely filled in