Perhaps you should try some spelling variations:
so nganh » so ngan, hoc nganh, moi nganh
nganh ky » nganh y, nganh xay, hanh ky
cam thuc » am thuc, nam thuc, cam thu
thuc dan » thuc hanh, hoc dan, thuc vat
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
hanh va » hang va, hanh vi
anh bai » sach bai, danh bat, hinh bai
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: so nganh ky tang ma hoi. lieu va cam thuc dan ((hanh va) or (anh bai)) cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so nganh ky tang ma hoi. lieu va cam thuc dan ((hanh va) OR (anh bai)) cua vat*.