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

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 stepping"))) or ((("synchronize stemming") or ("synchronized stemming"))))) or ("synchronised flemming"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("synchronised stemming") OR ("synchronised stepping"))) OR ((("synchronize stemming") OR ("synchronized stemming"))))) OR ("synchronised flemming")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"synchronised stemming\") OR (\"synchronised stepping\"))) or (((\"synchronize stemming\") or (\"synchronized stemming\"))))) or (\"synchronised flemming\"))".
• Removing quotes may allow a broader search: (((((( synchronised stemming ) OR ( synchronised stepping ))) or ((( synchronize stemming ) or ( synchronized stemming ))))) or ( synchronised flemming )).
• Adding a wildcard symbol may retrieve word variants: (((((("synchronised stemming") OR ("synchronised stepping"))) or ((("synchronize stemming") or ("synchronized stemming"))))) or ("synchronised flemming"))*.