- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText{
    if((searchType == SEARCH_AS_YOU_TYPE) && ([searchText length] >= 2)){
    	NSString *myKeyword = [NSString stringWithFormat:@"%@", searchText];
    	[self search:myKeyword];
    	[myTableView reloadData];
    }
}

SELECT WORD_ID, DEFIN, PINYIN, SIMP, TRAD from WORDS where DEFIN LIKE "%to dog %" OR DEFIN LIKE "%dog" OR DEFIN LIKE "%dog%"  ORDER BY DEFIN LIMIT 50

[self performSelectorInBackground:@selector(threadedFetch) withObject:nil];