In fact, in addition to searching for answers on these websites, you can also download some search-related apps, such as homework help, Little Ape Search, Xuebao and so on.
Generally, these softwares or websites can find the answers you want, but more often, don't rely on these ready-made things, or you will learn nothing; More often, you should learn not to be ashamed to ask questions, so that what you learn and ask is your own.