Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
hanh hai » thanh hai, nhanh hai, hang hai
viec lam » viec va
nang xa » lang xa, nang ma, mang xa
hai cua » thai cua, dai cua, hoi cua
va hanh » van hanh, va thanh, va danh
vu dan » vu dang, va dan, cu dan
loc va » hoc va, luc va
cua te » cua tu
dan ky » van ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu dan ky ((nang xa) OR (nang x)) hoi. hieu ((viec lam) or (vien cac)) loc va hanh hai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu dan ky ((nang xa) OR (nang x)) hoi. hieu ((viec lam) OR (vien cac)) loc va hanh hai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu dan ky ((nang xa) OR (nang x)) hoi. hieu ((viec lam) or (vien cac)) loc va hanh hai cua te*".