Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van nhan » van phan, van thanh, danh nhan
nhan luc » nang luc
ban hanh » ban hang
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
tu cai » tu cac, tu can, tu bai
cai ky » cao ky, cac ky, cam ky

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 ky nang xa hoi. hieu van nhan luc ((ban hanh) or (va danh)) dai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cai ky nang xa hoi. hieu van nhan luc ((ban hanh) OR (va danh)) dai cua viet.
• Adding a wildcard symbol may retrieve word variants: tu cai ky nang xa hoi. hieu van nhan luc ((ban hanh) or (va danh)) dai cua viet*.