Perhaps you should try some spelling variations:
"synchronized stemming" » "synchronized steering", "synchronized flemming", "synchronized stealing", "synchronizingd stemming"
"synchronism stemming" » "synchronism steering", "synchronism flemming", "synchronism stealing", "synchronising stemming"
"synchronism streaming" » "synchronising streaming", "synchronism treating"
"synchronize stepping" » "synchronizing stepping", "synchronize stopping", "synchronize shopping", "synchronize shipping"

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

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