Perhaps you should try some spelling variations:
nhan tien » nhan vien, nhan dien, phan tien
tien cua » trien cua, tiep cua, dien cua
cua viet » ca viet, hoa viet, cua vat
hoc hoi » hoc khoi, hoc hoa, hoc noi
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu va » lieu va, hieu qua
cau luc » cau truc, cau phuc
va nhan » van nhan, ca nhan, va phan
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
va cau » van cau, va cac, va dau
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ((hoc hoi) or (hoa hoi)). hieu va cau luc va nhan tien cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((hoc hoi) OR (hoa hoi)). hieu va cau luc va nhan tien cua viet.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((hoc hoi) or (hoa hoi)). hieu va cau luc va nhan tien cua viet*.