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