Perhaps you should try some spelling variations:
dang xay » dang van, van xay
ban hanh » ban hang
cuu tre » cau tren, cau treo
cau luc » cau truc, cau phuc
cua tre » cua triet, dua tren, cua thep
hanh de » hanh ve, hanh kem
luc ban » duc ban, cuc ban, luc bat
hieu ve » hieu va, hieu van
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
ve cau » ke cau, va cau, ve cac
lai ky » sai ky, dai ky
cua te » cua tu
te lai » te tai, te bai

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 dang xay hoi. hieu ve cau luc ban hanh de ((((cua tre) or (cua te))) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te lai ky dang xay hoi. hieu ve cau luc ban hanh de ((((cua tre) OR (cua te))) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te lai ky dang xay hoi. hieu ve cau luc ban hanh de ((((cua tre) or (cua te))) or (cuu tre))*.