Perhaps you should try some spelling variations:
dang xay » dang van, van xay
dua tren » dung tren
chieu ke » hieu ky, hieu ve, hieu kem
ban hanh » ban hang
cuu tre » cua tre, cau tren, cau treo
hanh de » hanh ve, hanh kem
lang xa » lang ha, lang van
cau duc » cao duc, cau luc, chu duc
duc ban » duc tan, duc van, dua ban
te lai » te tai, te bai
lai ky » sai ky, dai ky
ke cau » ket cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: te lai ky ((lang xa) or (dang xay)) hoi. chieu ke cau duc ban hanh de ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te lai ky ((lang xa) OR (dang xay)) hoi. chieu ke cau duc ban hanh de ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te lai ky ((lang xa) or (dang xay)) hoi. chieu ke cau duc ban hanh de ((dua tren) or (cuu tre))*.