"failed to highlight" is correct and usable in written English.
You can use it when you are talking about something that did not stand out or that was not properly emphasized. For example: "The speech failed to highlight the need for change."
Though October is Black History Month, the ceremony failed to highlight any of these milestones.
In addition, most sites' home pages failed to highlight the deadline for voter registration.
surveillance failed to highlight the growing vulnerabilities in the authorities' choice of policies".
A review by the Royal College of Obstetricians and Gynaecologists failed to highlight problems at the unit.
The programme failed to highlight that some women are just as complicit at supporting and enforcing these views.
On October 4, 2000, Blodget wrote to Sofia Ghachem, a colleague in the research department, and noted that they had failed to highlight how risky I.C.G. was.
And, because Ryan is a sitting Republican congressman, he came to the stage with vulnerabilities that Biden did not fail to highlight.
Even the press releases that journals issue to steer journalists to report peer reviewed papers often exaggerate the perceived importance of findings and fail to highlight important caveats and conflicts of interest.
Mr. Schwarzenegger rarely fails to highlight his own immigrant tale of arriving nearly penniless from Austria in 1968 — he is a naturalized United States citizen — and finding success in bodybuilding and Hollywood.
Her critics complain that her outspokenness serves only to turn her into a talking point and fails to highlight the issues she is passionate about, while others decry her bleak focus on India's problems.
But it fails to highlight that on the touch stone issues of abortion and gay marriage she appears to have personal views that are to the right of the Conservative mainstream.
