Perhaps you should try some spelling variations:
pham thuc » phap thuc, pham chuc, nham thuc
danh dau » lanh dao, hang dau, danh tu
ve triet » va trien, su triet
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang

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 hoa. hieu va pham thuc va danh dau ((cua tre) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang ma hoa. hieu va pham thuc va danh dau ((cua tre) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y nang ma hoa. hieu va pham thuc va danh dau ((cua tre) or (ve triet))*.