Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
thuc nang » chuc nang, thuc trang, thich nang
va trien » va truyen, va thiet, va tuyen
va triet » va thiet, ve triet, cua triet
danh du » danh dau, danh tu, dinh du
va danh » va dinh, va dan, va hanh
tu cach » tu cac
cam duc » cam xuc, cao duc, nam duoc
nang ma » tang ma, sang ma, nang cao
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: tu cach thuc nang ma hoi. hieu qua ((cam duc) or (pham duc)) va danh du ((va triet) OR (va trien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thuc nang ma hoi. hieu qua ((cam duc) OR (pham duc)) va danh du ((va triet) OR (va trien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach thuc nang ma hoi. hieu qua ((cam duc) or (pham duc)) va danh du ((va triet) OR (va trien))".
• Adding a wildcard symbol may retrieve word variants: tu cach thuc nang ma hoi. hieu qua ((cam duc) or (pham duc)) va danh du ((va triet) OR (va trien))*.