Perhaps you should try some spelling variations:
dang mai » dang hai, dang mau, dang bai
su triet » su viet, ve triet
su tien » su kien, su hien, tu tieng
va hanh » van hanh, va thanh, va danh
ky dang » ky nang, ky danh
mai hoi » mai khoi, dai hoi, lai hoi
ve cham » ve chat, vu cham, ve chim
va cham » va chat, va tham
hanh ca » hanh cac, hanh cat, hanh cua
su sac » su sach, su cac, su xac
soc va » hoc va, loc va, doc va
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky dang mai hoi. hieu ((ve cham) OR (va cham)) soc va hanh ca ((su triet) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky dang mai hoi. hieu ((ve cham) OR (va cham)) soc va hanh ca ((su triet) OR (su tien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky dang mai hoi. hieu ((ve cham) OR (va cham)) soc va hanh ca ((su triet) or (su tien))".
• Adding a wildcard symbol may retrieve word variants: su sac ky dang mai hoi. hieu ((ve cham) OR (va cham)) soc va hanh ca ((su triet) or (su tien))*.