The phrase "avail over" is not correct and does not appear to be usable in written English.
It seems to be a misunderstanding or miscombination of terms, as "avail" typically means to make use of or take advantage of something, while "over" does not fit in this context.
Example: "You should avail yourself of the resources available to you."
Alternatives: "take advantage of" or "make use of".
In 1995, Gov. George E. Pataki shut down the development corporation, saying it had spent $100 million to little avail over two decades.
All this attention is a novelty for Lasmo, which has tried to sell itself to no avail over the last few years.
"There are really smart, motivated, hardworking people at MIT, and it feels like a good place to invest". Funding these fellowships has allowed Callahan to take all the environmental issues she cares about— from plastics to warming seas that she's "pondered and thought about and read about to no avail over many, many years" and do something concrete about them.
In the other three plays, desperate Harry tries to put the moves on Bernice and Paula to no avail over hotel-bar cocktails ("Drinking Companion"), several stalwarts as a village fund-raiser attempt to overcome severe weather conditions with hilarious physicality ("Gosforth's Fete"), and five people on park benches irritate each other with relentless chatter ("A Talk in the Park".
It would be highly desirable to avail over a pesticide classification software as a component of the biosensors, at the same time learning during use and therefore obtaining a better classification accuracy.
He wandered among booths of Heart and Lynyrd Skynyrd T-shirts, trashed Louis Vuitton suitcases, and Bake-lite jewelry, asking everyone for sexy, colorful Oscar gowns and, to no avail, over-the-top eighties Lacroix.
But during his visit to Syria in August, Prime Minister Maliki urged President Assad, to no avail, to hand over more wanted Iraqis widely believed to be hiding in Syria.
Rulemaking petitions were filed with SEC in 2011 and 2014 to no avail, notwithstanding over a million signatures in support in one case.
You can avail of over the counter pain relievers to relieve yourself of all the aches and pains that you feel from the teeth.
As an actor, you have to avail yourself to trauma over and over again.
Yet even the best acoustics avail little over the sounds of pelting rain and cracking thunder.
