Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hieu van » hieu va, thien van, lieu va
ban hanh » ban hang
cham luc » cham soc, nhan luc, cham cuu
van cham » van chat, van tham, va cham
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
tu bai » tu ban, tu bat, te bai
tu cai » tu cac, tu can, tu cay

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cai) OR (tu bai)) ky nang xa hoi. hieu van cham luc ((ban hanh) or (va danh)) dai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cai) OR (tu bai)) ky nang xa hoi. hieu van cham luc ((ban hanh) OR (va danh)) dai cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cai) OR (tu bai)) ky nang xa hoi. hieu van cham luc ((ban hanh) or (va danh)) dai cua viet".
• Adding a wildcard symbol may retrieve word variants: ((tu cai) OR (tu bai)) ky nang xa hoi. hieu van cham luc ((ban hanh) or (va danh)) dai cua viet*.