Perhaps you should try some spelling variations:
su sach » so sach, vu sach
van anh » van thanh, tuan anh, van minh
tuc van » thuc van, truc van, tuc va
van cau » van dau, van hau, van chat
sach ty » sach y, sach tu, sach thu
cuu tre » cua tre, cau tren, cau treo
ty nang » ky nang, ty xang, ty hang
anh vi » hanh vi, anh va, anh ve
vi cuu » vi luu, vinh cuu
va cau » va cac, va dau, va cao
so ha » so hoa, so va
o hai » co hai, so hai, o lai

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 nang ((o hai) or (so ha)). lieu ((va cau) or (van cau)) tuc van anh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty nang ((o hai) OR (so ha)). lieu ((va cau) OR (van cau)) tuc van anh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ((o hai) or (so ha)). lieu ((va cau) or (van cau)) tuc van anh vi cuu tre*.