Perhaps you should try some spelling variations:
dieu kien » dieu khien, dien bien
hoc sach » hoc sinh, hoc cac, hoc anh
vat danh » va danh, van danh, luat danh
dai thuc » dan thuc, dai thu, dai thua
kien dai » hien dai, vien dai, bien dai
tang ma » mang may, tang van
danh vi » hanh vi, dinh vi, danh di
ly tang » le tang, ly hang, ly vang
bo sach » co sach
so sanh » do sanh
vi cua » vai cua, di cua

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: ((((hoc sach) OR (so sanh))) OR (bo sach)) ly tang ma hoa. dieu kien dai thuc vat danh vi cua vat~.
• Adding a wildcard symbol may retrieve word variants: ((((hoc sach) or (so sanh))) or (bo sach)) ly tang ma hoa. dieu kien dai thuc vat danh vi cua vat*.