"raise suggestions" is a correct and commonly used phrase in written English.
It can be used when asking someone to offer suggestions or solutions to something. For example, "Please raise any suggestions for how we can improve our customer service."
The arrests raised suggestions that Moscow has planted other couples in the US.
But the new revenue-raising suggestions also go beyond the White House's proposals.
It raised suggestions of misconduct without saying what "took advantage of" meant, and without presenting any corroboration.
The affair raised suggestions that the White House was endangering national security for the sake of discrediting an Iraq war critic.
The United Steelworkers union has been trying ever since to galvanize the Granite City story into national outrage over steel imports, raising suggestions of protectionism in the process.
The acknowledgment raised suggestions that militant British Muslims, previously associated with groups in Afghanistan, Pakistan, Yemen and elsewhere, may have shifted their focus to the Middle East.
Before this week's tornadoes, it was the aftermath of the Littleton shootings that held the nation's attention and raised suggestions that the form of help known as "grief counselling" might be better withheld.
The newly leaked audios came two days after another leak, also involving Machado, raised suggestions that this month's impeachment and suspension of Rousseff was part of an attempt to stifle the Petrobras investigations.
If anything, the referendum has tarnished his image, raising suggestions that he intends to follow the route of Gen. Zia al-Haq, who seized power in a coup in 1977, then used a referendum in 1984 to become president.
Conversely, in her 2008 primary campaign against Barack Obama, she tried to appeal to gun owners and raised suggestions that he was not as committed to gun rights as she was.
