Perhaps you should try some spelling variations:
sang cho » danh cho, dung cho, sang tao
dang xay » dang van, van xay
cham hoc » cham soc, chat hoc, cham hoi
va thanh » gia thanh, ban thanh, va tinh
thanh de » hanh de, thanh ve, thanh do
cau treo » cau theo, cau tren, cau triet
sang ky » sang kyo, dang ky, tang ky
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
de cau » ke cau, le cau, ve cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sang ky) or (sang cho)) dang xay hoi. hieu va cham hoc va thanh de cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sang ky) OR (sang cho)) dang xay hoi. hieu va cham hoc va thanh de cau treo.
• Adding a wildcard symbol may retrieve word variants: tu ((sang ky) or (sang cho)) dang xay hoi. hieu va cham hoc va thanh de cau treo*.