'label ribbon'
Find rows that contain at least one of the two words.
'+label +ribbon'
Find rows that contain both words.
'+label ribbon'
Find rows that contain the word "label", but rank rows higher if they also contain "ribbon".
'+label -ribbon'
Find rows that contain the word "label" but not "ribbon".
'+label ~ribbon'
Find rows that contain the word "label", but if the row also contains the word "ribbon", rate it lower than if row does not. This is "softer" than a search for '+label -ribbon', for which the presence of "ribbon" causes the row not to be returned at all.
'+label +(>ribbon <badge)'
Find rows that contain the word "label" y "ribbon", o "label" y "badge" (in any order), but "label ribbon" has priority to "label badge".
'label*'
Find rows that contain words such as "label", "labels", "labelsauce", or "labelt".
'"label ribbon"'
Find rows that contain the exact phrase "label ribbon".