Perhaps you should try some spelling variations:
dung tren » dung trong, dung trung
tren cuu » trien cua, trinh cuu, tren co
lang xa » lang ha, dang xay, lang van
nang xa » nang x, nang ma, mang xa
qua cac » cua cac
cac xuc » cam xuc, cac nuoc, chat xuc
xuc tin » duc tin, tuc tin, thuc tin
cuu tre » cua tre, cau tren, cau treo
su sai » su tai, su dai, su mai
su hai » su tai

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) or (su hai)) ky ((nang xa) or (lang xa)) hoi. hieu qua cac xuc tin dung tren cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sai) OR (su hai)) ky ((nang xa) OR (lang xa)) hoi. hieu qua cac xuc tin dung tren cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((su sai) or (su hai)) ky ((nang xa) or (lang xa)) hoi. hieu qua cac xuc tin dung tren cuu tre*.