Perhaps you should try some spelling variations:
thuc day » thuc dan, thuc vat
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
vi cua » vai cua, di cua
cua te » cua tu
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 xa hoi. hieu ve am ((thuc va) OR (thuc day)) hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky lang xa hoi. hieu ve am ((thuc va) OR (thuc day)) hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: vu sac ky lang xa hoi. hieu ve am ((thuc va) OR (thuc day)) hanh vi cua te*.