Perhaps you should try some spelling variations:
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoe, van loi
van hoc » van hoa
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
vu sac » vu sach, vu san, va sac
vi cua » vai cua, di cua
cua te » cua tu
va lam » van lam, va lap
sac ky » cac ky, sai ky
va am » va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky lang ((van hoi) or (van hoc)). hieu ((va am) OR (va lam)) thuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky lang ((van hoi) OR (van hoc)). hieu ((va am) OR (va lam)) thuc va hanh vi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky lang ((van hoi) or (van hoc)). hieu ((va am) OR (va lam)) thuc va hanh vi cua te*".