Perhaps you should try some spelling variations:
doanh dan » doanh ban, doanh van, doanh dao
van doanh » toan doanh, van dong, van thanh
hieu van » hieu va, thien van, lieu va
dan cuu » dan cu, dan cua, dan luu
tuc van » thuc van, truc van, tuc va
cac tuc » cac toc, cac tu, cac tac
van cac » van hac, van cau, van bac
lang xa » lang ha, dang xay, lang van
sach ky » sach y, sach kem, sach hay
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
sac ky » cac ky, sai ky

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te ((((sach ky) OR (sach ty))) OR (sac ky)) lang xa hoi. hieu van cac tuc van doanh dan cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((((sach ky) OR (sach ty))) or (sac ky)) lang xa hoi. hieu van cac tuc van doanh dan cuu tre~".
• Adding a wildcard symbol may retrieve word variants: te ((((sach ky) OR (sach ty))) or (sac ky)) lang xa hoi. hieu van cac tuc van doanh dan cuu tre*.