Perhaps you should try some spelling variations:
thanh ve » hanh ve, thanh va, thanh vien
cham tuc » nham thuc, pham thuc, tham thuc
sach ty » sach tu, sach thu, xach tay
va cham » va chat, va tham
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so ((sach ty) OR (sach y)) nang ma hoi. lieu va cham tuc va ((thanh ve) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so ((sach ty) OR (sach y)) nang ma hoi. lieu va cham tuc va ((thanh ve) OR (hanh vi)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so ((sach ty) OR (sach y)) nang ma hoi. lieu va cham tuc va ((thanh ve) or (hanh vi)) cua tre".
• Adding a wildcard symbol may retrieve word variants: so ((sach ty) OR (sach y)) nang ma hoi. lieu va cham tuc va ((thanh ve) or (hanh vi)) cua tre*.