Perhaps you should try some spelling variations:
phuong dan » phuong danh, phuong doan, phuong lan
chua xang » chua nang, chu bang, chua dong
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
toan cao » toan ban, toan tap
chuc » thuc, chu, phuc

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chuc nang)) - hanh tang cua dang ((phuong dan) OR (huong dan)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chua xang) OR (chuc nang)) - hanh tang cua dang ((phuong dan) or (huong dan)) toan cao~".
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) OR (chuc nang)) - hanh tang cua dang ((phuong dan) or (huong dan)) toan cao*.