Perhaps you should try some spelling variations:
danh dau » lanh dao, hang dau, danh tu
dung sai » dung tai, dung va, dung dat
danh sai » danh bat, hanh san, danh ca
lam thuc » lam thuoc, am thuc, nam thuc
cua tre » cua te, cuu tre, cua triet
thuc va » thuc vat, thuc dan, thuc day
hieu va » lieu va, hieu qua
sac ky » cac ky, sai ky
va lam » van lam, va lap
te sac » te sach, te cac, te san
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: te sac ky nang x hoi. hieu va lam thuc va ((danh dau) or (((danh sai) OR (dung sai)))) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang x hoi. hieu va lam thuc va ((danh dau) OR (((danh sai) OR (dung sai)))) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang x hoi. hieu va lam thuc va ((danh dau) or (((danh sai) OR (dung sai)))) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang x hoi. hieu va lam thuc va ((danh dau) or (((danh sai) OR (dung sai)))) cua tre*.