Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec cam » viec lam, viec cua, viec va
va hanh » van hanh, va thanh, ban hanh
nang xa » lang xa, nang ma, mang xa
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, dia danh
cam duc » cam xuc, cao duc, pham duc
vu san » va san, vu ban
san ky » sang ky, van ky, dan ky
cua te » cua tu

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: vu san ky ((nang xa) OR (nang x)) hoi. hieu viec cam duc ((va hanh) OR (va danh)) lai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu san ky ((nang xa) or (nang x)) hoi. hieu viec cam duc ((va hanh) OR (va danh)) lai cua te~".
• Adding a wildcard symbol may retrieve word variants: vu san ky ((nang xa) or (nang x)) hoi. hieu viec cam duc ((va hanh) OR (va danh)) lai cua te*.