1. They believe red beans can chase away ghosts and bring good luck.

(What other expressions do you have instead of 'chase away'? Would you let me know similar expressions?)

2. She will see them by visiting Seoul Pooh's homepage where Pooh will put his pictures about different kinds of rice cake.(Is this correct?)

#1. You can use "scare off", "remove" , "discourage".

#2 is correct.

1. Sure! Instead of "chase away," there are a few other expressions that can convey a similar idea:

- Ward off: This means to protect against something negative or unwanted. For example, "They believe red beans can ward off ghosts and bring good luck."
- Repel: This means to keep something away or drive it back. For example, "They believe red beans can repel ghosts and bring good luck."
- Banish: This means to force someone or something to leave or disappear. For example, "They believe red beans can banish ghosts and bring good luck."

2. The sentence you provided is almost correct, with just a minor adjustment needed. Here is the corrected version: "She will see them by visiting Seoul Pooh's homepage, where Pooh will post pictures of different kinds of rice cakes." This revised sentence ensures better clarity and accuracy in conveying the intended meaning.