Perhaps you should try some spelling variations:
cham thuc » nham thuc, pham thuc, tham thuc
thu sac » thu sach, thu san, thu xac
hieu va » lieu va, hieu qua
nang co » nang cao, nang doc, nang noi
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
nang ma » tang ma, sang ma, nang cao
va cham » va chat, va tham
vi cua » vai cua, di cua
sac ky » cac ky, sai ky
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sac ky ((nang co) or (((hang va) or (nang ma)))) hoi. hieu va cham thuc va hanh vi cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky ((nang co) OR (((hang va) OR (nang ma)))) hoi. hieu va cham thuc va hanh vi cua su.
• Adding a wildcard symbol may retrieve word variants: thu sac ky ((nang co) or (((hang va) or (nang ma)))) hoi. hieu va cham thuc va hanh vi cua su*.