Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh xay » nganh mac, nganh y, nganh ma
dong hoa » dong hoc, dong co
cam thuc » am thuc, nam thuc, cam thu
cau treo » cau theo, cau tren, cau triet
lang ha » long ha
cong ha » cong hoa, dong ha, cong tac
qua cam » qua cham, qua cac, qua ca
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nganh xay ((lang ha) or (((dong hoa) or (cong ha)))) hoi. hieu qua cam thuc va hanh vi cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nganh xay ((lang ha) OR (((dong hoa) OR (cong ha)))) hoi. hieu qua cam thuc va hanh vi cau treo.
• Adding a wildcard symbol may retrieve word variants: hoc nganh xay ((lang ha) or (((dong hoa) or (cong ha)))) hoi. hieu qua cam thuc va hanh vi cau treo*.