@GetMapping("/searchUser")
    public ResponseEntity<?> searchUser(@RequestParam("user") String search) {
        String[] words = search.split(Pattern.quote("+"));
        //String[] words = search.split("\\s");
        System.out.println(Arrays.toString(words));

        List<User> userName = userDao.findAllUsersByUsernameContainsIgnoreCase(Arrays.toString(words));
        List<User> firstName = userDao.findAllUsersByFirstNameContainsIgnoreCase(Arrays.toString(words));
        List<User> lastName = userDao.findAllUsersByLastNameContainsIgnoreCase(Arrays.toString(words));
        List<User> fuzzyUser = userDao.findFuzzyByUsernameAndFirstNameAndLastName(Arrays.toString(words));
        List<UserDTO> userDTOList = new ArrayList<>();

        Set<User> users = Sets.newHashSet(Iterables.unmodifiableIterable(
                Iterables.concat(userName, firstName, lastName, fuzzyUser)));
        if (fuzzyUser != null) {
            for (User u : users) {
                System.out.println(Arrays.toString(words));
                userDTOList.add(Misc.utilConvertUserToUserDTO(u));
            }
            if (userDTOList.isEmpty()) {
                logger.info("Recieved empty list from userDTOList");
                return new ResponseEntity<>(userDTOList, HttpStatus.OK);
            } else {
                logger.info("All content from users recieved!", userDTOList);
                return new ResponseEntity<>(userDTOList, HttpStatus.OK);
            }
        } else {
            return new ResponseEntity<>("Error while processing request 'searchUser', user null", HttpStatus.BAD_REQUEST);
        }
    }