Perhaps you should try some spelling variations:
"synchronised swimming" » "synchronized swimming", "synchronising swimming", "synchronised stemming"
"synchronize swimming" » "synchronize stemming", "synchronized swimming", "synchronizing swimming"
"synchronismd swimming" » "synchronismd stemming", "synchronisingd swimming", "synchronizedd swimming", "synchronized swimming", "synchronising swimming"
"synchronism streaming" » "synchronising streaming", "synchronized streaming", "synchronism treating"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("synchronised swimming") or ((("synchronize swimming") or ("synchronism streaming"))))) or ("synchronismd swimming"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("synchronised swimming") OR ((("synchronize swimming") OR ("synchronism streaming"))))) OR ("synchronismd swimming")).
• Removing quotes may allow a broader search: (((( synchronised swimming ) or ((( synchronize swimming ) or ( synchronism streaming ))))) or ( synchronismd swimming )).
• Adding a wildcard symbol may retrieve word variants: (((("synchronised swimming") or ((("synchronize swimming") or ("synchronism streaming"))))) or ("synchronismd swimming"))*.