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