Perhaps you should try some spelling variations:
nhan viec » nhan vien, nhan viet, nha viec
van nhan » van phan, van thanh, danh nhan
dang xay » dang van, van xay
van cau » van dau, van hau, van chat
duc van » duc va, duc tan, duc manh
van lam » van nam
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
mang xa » lang xa, mang may, mang cua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty ((mang xa) or (dang xay)) hoi. hieu ((van cau) or (van lam)) duc van nhan viec cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((mang xa) OR (dang xay)) hoi. hieu ((van cau) OR (van lam)) duc van nhan viec cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((mang xa) or (dang xay)) hoi. hieu ((van cau) or (van lam)) duc van nhan viec cua tre*.