The phrase "attempts exist" is correct and usable in written English.
It can be used to indicate that there are efforts or endeavors that have taken place or are ongoing.
Example: "In the field of science, numerous attempts exist to find a cure for the disease."
Alternatives: "efforts are present" or "endeavors are made".
Attempts exist to overcome these problems.
Attempts exist to capture the human dimension in energy system modelling by applying social science methods.
The large-scale structure of the Universe cannot be explained without dark matter, though many modified gravity attempts exist.
Mostly RL methods had been developed in conjunction with machine learning (e.g., Q-learning, Watkins 1989; Watkins and Dayan 1992) and only fewer attempts exist to design architectures which want to be more compatible with (biological) neural networks (Montague et al. 1995, 1996; Suri and Schultz 1998, 1999, 2001; Suri et al. 2001; Arleo and Gerstner 2000; Strösslin et al. 2005).
Likewise, several attempts existed to improve discharge processes through better communication between units [ 25] and liaison with ward staff before and after discharge [ 26].
It's disheartening to read about another mosque on U.S. soil whose attempts to exist are being stopped because of planning boards whose palpable xenophobia comes slithering out of the woodwork of their town hall buildings.
His attempts to exist outside the confines of the traditional nation-state are, by some measures, successful: He's living a sort of urban Into the Wild (a copy of the book lay on his table, but he said he hadn't read it yet).
The history of all popular governments show how absurd is the idea of their attempting to exist without parties".
But you've got to give a network show credit for at least making an attempt to exist in a post-Wire, post-Shield world.
In recent years, hedge funds have been forced to confront the question of whether or not to attempt to exist beyond their founders.
