Fix ultisnips cmp problem

lua/code-completion.lua

@@ -59,7 +59,7 @@ cmp.setup({
 		{ name = "calc" },
 		{ name = "lua-latex-symbols", option = { cache = true } },
 		{ name = "cmp_tabnine", keyword_length = 20 },
-		{ name = "fuzzy_buffer", keyword_length = 4 },
+		-- { name = "fuzzy_buffer", keyword_length = 4 },
 	}),
 
 	-- add formatting of the different sources
@@ -67,7 +67,7 @@ cmp.setup({
 		fields = { "menu", "abbr", "kind" },
 		format = function(entry, item)
 			local menu_icon = {
-				ultisnips = ">",
+				ultisnips = "Φ",
 				nvim_lsp = "λ",
 				path = "󰴠",
 				calc = "Σ",

lua/plugins.lua

@@ -51,6 +51,7 @@ return {
 	"amarakon/nvim-cmp-lua-latex-symbols",
 	"f3fora/cmp-spell",
 	{ "tzachar/cmp-fuzzy-buffer", requires = { "hrsh7th/nvim-cmp", "tzachar/fuzzy.nvim" } },
+	"quangnguyen30192/cmp-nvim-ultisnips",
 	"williamboman/mason.nvim",
 	"williamboman/mason-lspconfig.nvim",
 	"neovim/nvim-lspconfig",
@@ -59,14 +60,11 @@ return {
 	"mg979/vim-visual-multi",
 	{ "nvim-telescope/telescope-fzf-native.nvim", run = "make" },
 	{ "tzachar/fuzzy.nvim", requires = { "nvim-telescope/telescope-fzf-native.nvim" } },
-	{ "tzachar/cmp-fuzzy-buffer", requires = { "hrsh7th/nvim-cmp", "tzachar/fuzzy.nvim" } },
 	"mihaifm/bufstop",
 	"https://git.nickr.eu/yannickreiss/nvim-sourcer.git",
-	{ "tzachar/cmp-fuzzy-buffer", requires = { "hrsh7th/nvim-cmp", "tzachar/fuzzy.nvim" } },
 	"jaredgorski/spacecamp",
 	"voldikss/vim-floaterm",
 	"dense-analysis/ale",
 	{ "TamaMcGlinn/nvim-lspconfig-ada" },
-	"krischik/vim-ada",
 	"preservim/tagbar",
 }