Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
hanh cua » manh cua, hang cua, hanh sua
cua viet » hoa viet, cua vat, cua dieu
su sach » so sach, vu sach
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
ca viet » va viet, co viet, hoa viet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
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: su sach v nang xa hoi. hieu ve cham luc va hanh cua ((cua viet) OR (ca viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v nang xa hoi. hieu ve cham luc va hanh cua ((cua viet) OR (ca viet))".
• Adding a wildcard symbol may retrieve word variants: su sach v nang xa hoi. hieu ve cham luc va hanh cua ((cua viet) OR (ca viet))*.