gain momentum
gather momentum

Those forces gained momentum in the 1990's and continue today.

Even research has gained momentum on his works across the third world countries.

The program started in 1998 but has gained momentum recently, he said.

The body is made to rock three times, as if to gain momentum.

Child day care is gaining momentum as a political and economic issue.

In recent years, an effort to free him has gained momentum.

Along the way, little of interest is established or given a chance to gain momentum.

The idea, around for more than a decade, began to gain momentum only in the last three years.

In the past year, however, her career has gained momentum.

It's a subject that has gained momentum across the country in recent years.