The phrase "a few tangible" is correct and usable in written English.
It can be used when referring to a small number of concrete or physical items or concepts that can be perceived or measured.
Example: "In our discussion, we should focus on a few tangible benefits of the new policy to illustrate its effectiveness."
Alternatives: "some concrete" or "a handful of measurable".
Though the visit is mainly intended as a show of American support for Haiti, Mrs. Clinton said there were a few tangible benefits.
Aside from the opportunity to enlighten generations of New Yorkers, there are a few tangible perks that come along with the job.
But it's sure starting to look like he may have had a few tangible "One last thing…" products up his sleeve as well.
I asked Chan to provide a few tangible examples of the types of apps that could utilize TappingStone to add smart features.
That extended battery life has a few tangible benefits, including the fact that you can bring it on a multi-day trip and leave the charger at home, which is not insignificant for frequent travellers.
It is kind of like losing weight - once you see some impact and a few tangible outcomes you will keep on going and build further momentum.
It was an important win in an ordeal that provided few tangible victories.
That missed the point – at a stroke, we had lost trust as a party, one of the few tangible assets we had especially after the Kennedy/Campbell decision to oppose the invasion of Iraq.
The group's modishness as an unproven "virtual" company with few tangible assets made it all the more vulnerable to a backlash when investors became disappointed.
Millions in Colombia angrily see the government's arrangement with the Revolutionary Armed Forces of Colombia, known by the Spanish acronym FARC, as a concession that has produced few tangible benefits.
"It is inappropriate to comment about this card," said Police Chief Charles A. Moose, his fury about the disclosure virtually confirming what a crucial piece of evidence the police now have in what had been a week-long investigation with few tangible clues.
