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