Perhaps you should try some spelling variations:
van triet » van thiet, van trieu, hanh triet
va triet » va thiet, va trien, ve triet
van hanh » van thanh, ban hanh, van anh
hanh vu » hanh vi, hanh va, hanh tu
tuc van » thuc van, truc van, tuc va
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
danh xa » danh ca, dinh xa, canh xa
ky danh » ky anh, ky dang
ve cham » va cham, ve chat, vu cham
ve cam » ve cac, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky danh xa hoi. hieu ((ve cam) or (ve cham)) tuc van hanh vu ((van triet) OR (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky danh xa hoi. hieu ((ve cam) OR (ve cham)) tuc van hanh vu ((van triet) OR (va triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky danh xa hoi. hieu ((ve cam) or (ve cham)) tuc van hanh vu ((van triet) OR (va triet))*".