Perhaps you should try some spelling variations:
cau treo » cau theo, cau tren, cau triet
mai hoi » mai khoi, dai hoi, lai hoi
qua hai » qua hoat
hai duc » hoai duc, mai duc, ha duc
va hanh » van hanh, va thanh, va danh
su xac » pu xac
su cac » tu cac, su cao, su can
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su xac) or (su cac)) ky nang ((xa hoi) or (mai hoi)). hieu qua hai duc va hanh vi cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su xac) OR (su cac)) ky nang ((xa hoi) OR (mai hoi)). hieu qua hai duc va hanh vi cau treo.
• Adding a wildcard symbol may retrieve word variants: ((su xac) or (su cac)) ky nang ((xa hoi) or (mai hoi)). hieu qua hai duc va hanh vi cau treo*.