Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
dang xay » dang van, van xay
su bach » vu bach, su sach, huu bach
danh va » doanh va, hanh va, dan va
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, lang van
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa
anh va » hanh va

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: su bach mai ((lang xa) OR (dang xay)) hoi. hieu va cham tuc va ((danh va) OR (anh va)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su bach mai ((lang xa) OR (dang xay)) hoi. hieu va cham tuc va ((danh va) or (anh va)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: su bach mai ((lang xa) OR (dang xay)) hoi. hieu va cham tuc va ((danh va) or (anh va)) cua tre*.