Perhaps you should try some spelling variations:
dong xay » dang xay, cong xay, mong xay
cham lai » pham lan, cham mat, cham va
chua tre » chua tri, cua tre, chua trieu
tu cach » tu cac
cach tu » cach thuc
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
lai van » hai van, mai van, lai va
hanh va » hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach tu dong xay hoi. hieu va cham lai van ((hanh va) OR (hanh vi)) chua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach tu dong xay hoi. hieu va cham lai van ((hanh va) OR (hanh vi)) chua tre".
• Adding a wildcard symbol may retrieve word variants: tu cach tu dong xay hoi. hieu va cham lai van ((hanh va) OR (hanh vi)) chua tre*.