Perhaps you should try some spelling variations:
dang xay » dang van, van xay
cham tuc » nham thuc, pham thuc, tham thuc
su sach » so sach, vu sach
dinh vi » dinh ve, dinh viet, dinh tri
va dinh » van dinh, va kinh, va tinh
sach tu » sach thu, cach tu, sach ty
hieu ve » hieu va, hieu van
tang ma » mang may, tang van
cuu tre » cua tre, cau tren, cau treo
tuc va » thuc va, truc va, tuc xa
vi cuu » vi luu, vinh cuu

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 tu ((dang xay) or (tang ma)) hoi. ((hieu ve) or (hieu qua)) cham tuc va dinh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tu ((dang xay) OR (tang ma)) hoi. ((hieu ve) OR (hieu qua)) cham tuc va dinh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach tu ((dang xay) or (tang ma)) hoi. ((hieu ve) or (hieu qua)) cham tuc va dinh vi cuu tre*.