Perhaps you should try some spelling variations:
ban doanh » van doanh, san doanh, ban danh
doanh ha » doanh va, doanh khoa, doanh nhan
dang xay » dang van, van xay
te sach » toc sach
duc ban » duc tan, duc van, dua ban
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
ky dang » ky nang, ky danh
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai
ha cua » hoa cua, hai cua, nha cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky dang xay hoi. hieu ((ve cam) or (ve cac)) duc ban doanh ha cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang xay hoi. hieu ((ve cam) OR (ve cac)) duc ban doanh ha cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky dang xay hoi. hieu ((ve cam) or (ve cac)) duc ban doanh ha cua tre*.