Perhaps you should try some spelling variations:
nganh xay » nganh mac, nganh y, nganh ma
hieu van » thien van, lieu va, hieu ve
nang xay » dang xay, nang xuan, nang cao
danh lai » danh sai, gianh lai, dinh lam
hieu va » lieu va, hieu qua
ma danh » va danh, ma dan, mo danh
duoc ma » duoc lam
da duoc » tao duoc, hoa duoc
te sach » toc sach
sach ky » sac ky, sach y, sach ty
chau te » chau tho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang xay) OR (nganh xay)) hoi. ((hieu van) OR (hieu va)) da duoc ma danh lai chau te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang xay) OR (nganh xay)) hoi. ((hieu van) or (hieu va)) da duoc ma danh lai chau te~".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang xay) OR (nganh xay)) hoi. ((hieu van) or (hieu va)) da duoc ma danh lai chau te*.