Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
va trien » va truyen, va thiet, va tuyen
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoe, van loi
van hoc » van hoa
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
hanh de » hanh ve, hanh kem
te cac » tu cac, ve cac, te cao
luc va » duc va, tuc va, loc va
de va » de van, te va, ke va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky lang ((van hoi) or (van hoc)). hieu va cham luc va hanh de va trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky lang ((van hoi) OR (van hoc)). hieu va cham luc va hanh de va trien.
• Adding a wildcard symbol may retrieve word variants: te cac ky lang ((van hoi) or (van hoc)). hieu va cham luc va hanh de va trien*.