Perhaps you should try some spelling variations:
van nhan » van phan, van thanh, danh nhan
dang xay » dang van, van xay
van cam » van nam, van cau, van dam
vien cu » dien cu, vien du, viec cu
xuc van » duc van, luc van, vuc van
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
cu tre » cu tren, cua tre, cuu tre

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 cam) or (van lam)) xuc van nhan vien cu 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 cam) OR (van lam)) xuc van nhan vien cu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((mang xa) or (dang xay)) hoi. hieu ((van cam) or (van lam)) xuc van nhan vien cu tre*.