Perhaps you should try some spelling variations:
tham tuc » tham thuc, thai tuc, nham thuc
lang van » dang van, tang van, hoang van
hieu va » lieu va, hieu qua
danh ca » dan ca, doanh cua, danh cho
va danh » va dinh, va dan, va hanh
va tham » van tham, va cham, va thanh
su sach » so sach, vu sach
lang xa » lang ha, dang xay
cua tre » cua te, cuu tre, cua triet
sach o » sach lo, sac o, sach y
tuc va » thuc va, truc va, tuc xa
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach o ((lang xa) or (lang van)) hoi. hieu va tham tuc va danh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach o ((lang xa) OR (lang van)) hoi. hieu va tham tuc va danh ca cua tre*.