You can use the advanced search ("...") to refine widget results:
The following query words/symbols can be used:
Here are the supported search parameters (by widget):
Jobs Widget: text, name, type, status, entrydate, duedate
Campaigns Widget: text, id, name, startdate, enddate, status
Estimates Widget: text, id, name, job
People Widget: text, description, title, firstname, lastname, companyNames, linkedin, facebook, skype, twitter, phone
To Do Widget: text, type, status, id, name, action
Procurements Widget: id, title, type, status, job, due, text
Requests Widget: text, number, type, requestType, status, name, email