Perhaps you should try some spelling variations:
dang loai » dan loai, dang hoai, dang loi
mang lai » mang lam, mang luoi, trang lai
hanh dai » hanh tai, hanh dao, vanh dai
hieu va » lieu va, hieu qua
soc van » hoc van, sac van, soc dan
va tham » van tham, va cham, va thanh
oc van » hoc van, luoc van, quoc van
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cua te » cua tu

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: tu sac ky ((mang lai) OR (dang loai)) hoa. hieu va tham ((soc van) OR (oc van)) hanh dai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((mang lai) or (dang loai)) hoa. hieu va tham ((soc van) OR (oc van)) hanh dai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((mang lai) or (dang loai)) hoa. hieu va tham ((soc van) OR (oc van)) hanh dai cua te*.