Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cam » van nam, van lam, van cau
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, ban hanh
va danh » va dan, dia danh, va thanh
va dinh » van dinh, va kinh, va tinh
vai cua » dai cua, hai cua, lai cua
cua chu » sua chua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang x hoi. hieu van cam duc ((va hanh) or (((va danh) OR (va dinh)))) vai cua chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. hieu van cam duc ((va hanh) OR (((va danh) OR (va dinh)))) vai cua chu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang x hoi. hieu van cam duc ((va hanh) or (((va danh) OR (va dinh)))) vai cua chu".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu van cam duc ((va hanh) or (((va danh) OR (va dinh)))) vai cua chu*.