Perhaps you should try some spelling variations:
thuc day » thuc vat
thuc dan » thuc hanh, hoc dan, thuc vat
hieu ve » hieu va, hieu van
dang de » dang deo, dung de, dang do
cua tre » cua te, cuu tre, cua triet
vu sai » vu hai, vu san, vu dai
sai ky » sac ky
ve cac » va cac, vien cac
de cua » le cua, te cua, dieu cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sai ky nang x hoi. hieu ve cac ((thuc day) OR (thuc dan)) dang de cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky nang x hoi. hieu ve cac ((thuc day) OR (thuc dan)) dang de cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sai ky nang x hoi. hieu ve cac ((thuc day) OR (thuc dan)) dang de cua tre*.