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 cac » va cac, tu cac, ve cac
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 cac ky lang xa hoi. hieu ve am ((thuc va) or (thuc day)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu cac 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 cac ky lang xa hoi. hieu ve am ((thuc va) or (thuc day)) hanh vi cua te*.