Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
cua triet » cua viet, su triet, va triet
nham thuc » nhan thuc, nam thuc, nham thu
cau treo » cau theo, cau tren, cau triet
hieu va » lieu va, hieu qua
hoc anh » hoc nganh, hoc nhanh, ngoc anh
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
va nham » va cham, va tham, va nha
v nang » va nang, vu nang, van nang
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuoc sach) or (hoc anh)) v nang x hoi. hieu va nham thuc va danh di ((cua triet) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (hoc anh)) v nang x hoi. hieu va nham thuc va danh di ((cua triet) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (hoc anh)) v nang x hoi. hieu va nham thuc va danh di ((cua triet) or (cau treo))*.