Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham duc » pham duc, cham soc, pham duy
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
danh de » hanh de, dan de, dang de
y nang » ky nang, ly nang, v nang
de cua » le cua, te cua, dieu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang xa hoi. hieu van cham duc va danh de cua viet~.
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. hieu van cham duc va danh de cua viet*.