Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
danh dau » lanh dao, hang dau, danh tu
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
su tien » su kien, su hien, tu tieng
y nang » ky nang, ly nang, v nang
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: te sach y nang ma hoi. hieu ve pham thuc va danh dau ((cua tre) or (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoi. hieu ve pham thuc va danh dau ((cua tre) OR (su tien)).
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoi. hieu ve pham thuc va danh dau ((cua tre) or (su tien))*.