Perhaps you should try some spelling variations:
thuat cac » thuat cam, thuat cao, thuat cat
cham tuc » nham thuc, pham thuc, tham thuc
va triet » va thiet, va trien, ve triet
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
va cham » va chat, va tham
ma hoi » xa hoi, ma hoa, me hoi

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

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