Perhaps you should try some spelling variations:
danh xay » dang xay, manh xay, anh xay
doanh ha » doanh va, doanh khoa, doanh hoan
te sach » toc sach
duc ban » duc tan, duc van, dua ban
cuu tre » cua tre, cau tren, cau treo
sach ky » sac ky, sach y, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
ky danh » ky anh, ky dang
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai

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 danh xay hoi. hieu ((ve cam) or (ve cac)) duc ban ((doanh ha) OR (doanh nhan)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky danh xay hoi. hieu ((ve cam) OR (ve cac)) duc ban ((doanh ha) OR (doanh nhan)) cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky danh xay hoi. hieu ((ve cam) or (ve cac)) duc ban ((doanh ha) OR (doanh nhan)) cuu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky danh xay hoi. hieu ((ve cam) or (ve cac)) duc ban ((doanh ha) OR (doanh nhan)) cuu tre*.