"find a common thread" is correct and commonly used in written English.
You can use it when you want to refer to finding a shared connection or theme between different things or ideas. Example: "In order to bring together the diverse opinions of the group, we need to find a common thread that unites us."
Find a common thread so that you can position yourself confidently for that role.
Mattel's Hong Kong office is also investigating to find a common thread among the lead recalls in China.
James Chowning Davies, a political scientist, has tried to find a common thread that explains revolutions and unrest.
AT first glance it's hard to find a common thread running through Valentino's spring capsule collection, Timestrings.
It's a little tricky to find a common thread in the scrum of performers — which include Peter Gabriel, Kanye West (with Kid Cudi), Toby Keith, Kid Rock (with Sheryl Crow), Def Leppard, the Black Keys (with Florence and the Machine), Katy Perry and Sugarland — but there's certainly a flavor here for every taste.
Write these down and create a journal; perhaps you will find a common thread over time as to why you are being negatively judged.
Finding a common thread was difficult, Mr. Taggart said, because each had used a customized version of the same basic test.
Janice Hadlow's resolutely domestic history of the Hanoverians finds a common thread between George I and George IV.
PAGE A3 Tracing a Terror Network American officials investigating a decade of international terrorist attacks say they have found a common thread in Islamic charities.
In searching for the roots of her affliction, Ms. Pearson finds a common thread connecting her traumas and her phobias, the fear of losing control, of being unable to cope.
A1 Charities Linked to Terrorism Government officials investigating a decade of international terrorist attacks say they have found a common thread: Islamic charities and relief organizations that they suspect are being used to move men, money and weapons across borders.
