Perhaps you should try some spelling variations:
nhieu viec » hieu viec, nhien viet
thuat lanh » thuat lap, thuat san
thuc van » thuc vat, thuc dan, thuc va
van hanh » van thanh, ban hanh, van anh
viec cac » vien cac, viec cua, viec lam
cac thuc » cach thuc, cac thu, can thuc
su sach » so sach, vu sach
mang xa » lang xa, mang may, dang xay
hanh di » hanh vi, hanh de, hang di
lang ha » long ha
di cua » dai cua, doi cua, de cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) or (thuat lanh)) ky ((mang xa) or (lang ha)) hoi. nhieu viec cac thuc van hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (thuat lanh)) ky ((mang xa) OR (lang ha)) hoi. nhieu viec cac thuc van hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thuat lanh)) ky ((mang xa) or (lang ha)) hoi. nhieu viec cac thuc van hanh di cua te*.