Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
lang van » dang van, tang van, hoang van
thuc day » thuc vat
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
thuc va » thuc vat
hanh di » hanh vi, hanh de, hang di
vu sac » vu sach, vu san, va sac
di cua » dai cua, doi cua, de cua
cua te » cua tu
sac ky » cac ky, sai ky
ve am » va am

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. hieu ve am ((thuc va) or (((thuc day) OR (thuc dan)))) hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky lang van hoi. hieu ve am ((thuc va) OR (((thuc day) OR (thuc dan)))) hanh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky lang van hoi. hieu ve am ((thuc va) or (((thuc day) OR (thuc dan)))) hanh di cua te".
• Adding a wildcard symbol may retrieve word variants: vu sac ky lang van hoi. hieu ve am ((thuc va) or (((thuc day) OR (thuc dan)))) hanh di cua te*.