Perhaps you should try some spelling variations:
dung doi » huong doi, dung tai, dung co
van dung » van dong, xay dung, tin dung
cham tuc » nham thuc, pham thuc, tham thuc
qua cham » qua hai, qua cac, va cham
doi cua » dai cua, hoi cua
tuc van » thuc van, truc van, tuc va
cua tre » cua te, cuu tre, cua triet
sach ty » sach tu, sach thu, xach tay
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa

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 ty) or (sach y)) ((nang xa) or (nang ma)) hoi. hieu qua cham tuc van dung doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach y)) ((nang xa) OR (nang ma)) hoi. hieu qua cham tuc van dung doi cua tre.
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (sach y)) ((nang xa) or (nang ma)) hoi. hieu qua cham tuc van dung doi cua tre*.