Perhaps you should try some spelling variations:
"synchronised stemming" » "synchronized stemming", "synchronising stemming", "synchronised flemming", "synchronised stepping", "synchronised stealing"
"synchronised steering" » "synchronized steering", "synchronising steering"
"synchronize stemming" » "synchronize flemming", "synchronize stepping", "synchronize stealing", "synchronized stemming", "synchronizing stemming"
"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 stemming") or ("synchronised steering"))) or ("synchronize stemming"))) or ("synchronism streaming"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("synchronised stemming") OR ("synchronised steering"))) OR ("synchronize stemming"))) OR ("synchronism streaming")).
• Removing quotes may allow a broader search: (((((( synchronised stemming ) or ( synchronised steering ))) or ( synchronize stemming ))) or ( synchronism streaming )).
• Adding a wildcard symbol may retrieve word variants: (((((("synchronised stemming") or ("synchronised steering"))) or ("synchronize stemming"))) or ("synchronism streaming"))*.