Perhaps you should try some spelling variations:
dung dat » dung va, dung tai
cuu tre » cua tre, cau tren, cau treo
dat cuu » dat cau, dat cua
thuc va » thuc vat, thuc dan, thuc day
vu cham » va cham, vu kham, tu cham
tang ma » mang may, tang van
hieu vu » hieu va, hieu ve, hieu su
nang ma » sang ma, nang cao, mang may
sac ky » cac ky, sai ky
xuc va » duc va, tuc va, luc va
te sac » te sach, te cac, te san

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 ma) or (tang ma)) hoi. hieu vu cham ((xuc va) or (thuc va)) dung dat cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((nang ma) OR (tang ma)) hoi. hieu vu cham ((xuc va) OR (thuc va)) dung dat cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((nang ma) or (tang ma)) hoi. hieu vu cham ((xuc va) or (thuc va)) dung dat cuu tre*.