Perhaps you should try some spelling variations:
nhan dien » nhan vien, nhan dieu, nhan dan
xuc doanh » muc doanh, cac doanh, cua doanh
dien cuu » dien cuc, dien cu, dien cua
van cam » van nam, van cau, van dam
van lam » van nam
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
cuu tre » cua tre, cau tren, cau treo

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 ((nang xa) or (lang xa)) hoi. hieu ((van cam) or (van lam)) xuc doanh nhan dien cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty ((nang xa) OR (lang xa)) hoi. hieu ((van cam) OR (van lam)) xuc doanh nhan dien cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty ((nang xa) or (lang xa)) hoi. hieu ((van cam) or (van lam)) xuc doanh nhan dien cuu tre*.