Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
hanh lai » hanh lam, hanh tai, thanh lap
van hanh » van thanh, ban hanh, van anh
lai cua » dai cua, hai cua, lai chau
tuc van » thuc van, truc van, tuc va
so danh » do danh, so sanh, so dan
danh do » dang do, danh co, danh di
tang ma » mang may, tang van
do tang » de tang, do dang, cao tang
ve cac » va cac, vien cac
va cao » va cac, va co, va dao
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so danh do tang ma hoi. hieu ((va cao) or (ve cac)) tuc van hanh lai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so danh do tang ma hoi. hieu ((va cao) OR (ve cac)) tuc van hanh lai cua viet*.