Perhaps you should try some spelling variations:
"computers / networking / intranets & extracts" » "computer / networking / intranets & extracts", "computers / networking / intranets & extract", "computers / networking / intranets & extracted"
"computers / networking / intranets & tracts" » "computer / networking / intranets & tracts"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"computers / networking / intranets & extracts\") OR (\"computers / networking / intranets & tracts\"))".
• Removing quotes may allow a broader search: (( computers / networking / intranets & extracts ) OR ( computers / networking / intranets & tracts )).
• Adding a wildcard symbol may retrieve word variants: (("computers / networking / intranets & extracts") OR ("computers / networking / intranets & tracts"))*.