Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
va thanh » gia thanh, ban thanh, va tinh
thanh va » thanh van, hanh va, thanh ha
cau treo » cau theo, cau tren, cau triet
dau tren » dau tien, dat tren, dau tieng
nang ho » nang hoc, nang co, tang ho
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ho hoi » hoc hoi, hoa hoi, hoi hoi
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ho hoi. hieu va nam thuc va thanh va ((cau treo) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ho hoi. hieu va nam thuc va thanh va ((cau treo) OR (dau tren)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ho hoi. hieu va nam thuc va thanh va ((cau treo) or (dau tren))*.