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

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