Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
dan dinh » dang dinh, doan dinh, van dinh
ky dang » ky nang, ky danh
dinh cu » dinh cuu, dinh chuc, dinh chau
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va dan » ca dan, va dao, va dau
luc va » duc va, tuc va, loc va
su sai » su tai, su hai, su dai
sai ky » sac ky
ha hoi » ha noi, xa hoi, va hoi
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: su sai ky dang ((ha hoi) OR (hoa hoi)). hieu va cham luc va dan dinh cu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky dang ((ha hoi) OR (hoa hoi)). hieu va cham luc va dan dinh cu tre".
• Adding a wildcard symbol may retrieve word variants: su sai ky dang ((ha hoi) OR (hoa hoi)). hieu va cham luc va dan dinh cu tre*.