Looking on the internet deeply has found these results:

mandatory team-work is the most popular phrase on the web.

to mandatory work in a team 10 results on the web	mandatory team-work 19 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Strict adherence to broadcasting deadlines must be met, attendance is mandatory, team work is necessary, and individual responsibility is a must. Lectures�... Thursday was hard with more mandatory team work between "Pudding" pulled his temporary cast off {meaning an orthopedic specialist appointment was added �... ... coffee shop. Starting at 4:45 am, a team of two served approximately 150 to 200 cars by 10:00 am. Speed and accuracy were mandatory. Team work was key . It is relevant to mention that, even iI the mandatory team work was planned Ior two courses, students reported that only in our case this requirement was strictly�...

to mandatory work in a team

10 results on the web

mandatory team-work

19 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Strict adherence to broadcasting deadlines must be met, attendance is mandatory, team work is necessary, and individual responsibility is a must. Lectures�...
Thursday was hard with more mandatory team work between "Pudding" pulled his temporary cast off {meaning an orthopedic specialist appointment was added �...
... coffee shop. Starting at 4:45 am, a team of two served approximately 150 to 200 cars by 10:00 am. Speed and accuracy were mandatory. Team work was key .
It is relevant to mention that, even iI the mandatory team work was planned Ior two courses, students reported that only in our case this requirement was strictly�...