Perhaps you should try some spelling variations:
danh kien » dinh kien, danh viet, linh kien
nhan luc » nang luc
ban danh » ban doanh, ban hanh, ban dan
tu sach » thu sach, su sach, te sach
tang ma » mang may, tang van
hieu vu » hieu va, hieu ve, hieu su
vu nhan » cu nhan, vu ngan, tu nhan
luc ban » duc ban, cuc ban, luc bat
kien so » khien so, bien so, kien co
so viet » hoc viet
y tang » ky tang, 6 tang, 7 tang

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 y tang ma hoa. hieu vu nhan luc ban danh kien so viet~.
• Adding a wildcard symbol may retrieve word variants: tu sach y tang ma hoa. hieu vu nhan luc ban danh kien so viet*.