Perhaps you should try some spelling variations:
"synchronised stemming" » "synchronized stemming", "synchronising stemming", "synchronised streaming", "synchronised steering", "synchronised stepping"
"synchronism stemming" » "synchronism streaming", "synchronism steering", "synchronism stepping", "synchronising stemming", "synchronized stemming"
"synchronize flemming" » "synchronized flemming", "synchronizing flemming", "synchronize fleming"

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

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