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

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