Under the Newton Fund, British Academy has just launched their first call in 2017 on social sciences and humanities.
Last year the Academy provided mobility (research exchange) grants to 6 Vietnamese researchers to conduct research in the UK.
More information and application forms can be found here http://www.britac.ac.uk/newton-mobility-grants.
Basically, each grant is worth up to £10K for an one-year study, allowing both-way exchange of individual researchers (already obtain PhD degree). Applications will be assessed by the British Academy only.
To find UK collaborator, please check the Newton Fund website for support:http://www.newtonfund.ac.uk/funding/application-support.
Deadline for application: 15 March 2017, 17:00 (UK time).
Detailed guidance Feb 2017