Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
thuc nang » chuc nang, thuc trang, thich nang
danh lai » danh sai, gianh lai, dinh lam
su cach » su sach, tu cach, su cac
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
cam duc » cao duc, pham duc, nam duoc
va danh » va dinh, va dan, va hanh
ma hoi » mai hoi, xa hoi, ma hoa
lai va » loai va, mai va, dai va
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: su cach thuc nang ma hoi. hieu ve ((cam duc) or (cam xuc)) va danh lai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach thuc nang ma hoi. hieu ve ((cam duc) OR (cam xuc)) va danh lai va thiet.
• Adding a wildcard symbol may retrieve word variants: su cach thuc nang ma hoi. hieu ve ((cam duc) or (cam xuc)) va danh lai va thiet*.