Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cam » van nam, van lam, van cau
cam tuc » cam xuc, cam tu, nam thuc
va dinh » van dinh, va kinh, va tinh
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
tuc va » thuc va, truc va, tuc xa
di cuu » di cua, dinh cuu
di cau » da cau, diem cau
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang x hoi. hieu van cam tuc va dinh ((di cuu) OR (di cau)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang x hoi. hieu van cam tuc va dinh ((di cuu) OR (di cau)) tre*".