Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
qua cham » qua hai, qua cac, va cham
tren cuu » trien cua, trinh cuu, tren co
nang ma » tang ma, sang ma, nang cao
lang xa » lang ha, dang xay, lang van
qua cam » qua cac, qua ca, qua cai
xuc xay » tuc xay, xuc hay, xuat xay
cuu tre » cua tre, cau tren, cau treo
su sai » su tai, su hai, su dai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky ((nang ma) or (lang xa)) hoi. hieu ((qua cam) OR (qua cham)) xuc xay dung tren cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((nang ma) OR (lang xa)) hoi. hieu ((qua cam) OR (qua cham)) xuc xay dung tren cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sai ky ((nang ma) or (lang xa)) hoi. hieu ((qua cam) OR (qua cham)) xuc xay dung tren cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sai ky ((nang ma) or (lang xa)) hoi. hieu ((qua cam) OR (qua cham)) xuc xay dung tren cuu tre*.