Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
hanh dai » hanh tai, hanh dao, vanh dai
cua viet » ca viet, hoa viet, cua vat
vu sach » vu bach, vu khach
su sach » so sach
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
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: ((vu sach) or (su sach)) ly nang xa hoi. hieu ve cham luc va hanh dai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sach) OR (su sach)) ly nang xa hoi. hieu ve cham luc va hanh dai cua viet.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (su sach)) ly nang xa hoi. hieu ve cham luc va hanh dai cua viet*.