Perhaps you should try some spelling variations:
dang xay » dang van
ban hanh » ban hang
te sach » toc sach
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
hanh va » hang va, hanh vi
cuu tre » cua tre, cau tren, cau treo
cua te » cua tu

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 y ((dang xay) OR (van xay)) hoi. hieu va cac xuc ban hanh va ((cua te) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((dang xay) OR (van xay)) hoi. hieu va cac xuc ban hanh va ((cua te) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((dang xay) OR (van xay)) hoi. hieu va cac xuc ban hanh va ((cua te) or (cuu tre))*".