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 trien, ve triet, cua triet
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
ma hoi » mai hoi, xa hoi, ma hoa
thiet » thieu

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