Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
ty mang » ty xang, ty hang, tin mang
may hoi » may thoi, tay hoi, mai hoi
ve cham » va cham, ve chat, vu cham
luc van » luoc van, luu van, luc va
duc van » duc va, duc tan, duc manh
hanh di » hanh vi, hanh de, hang di
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty mang may hoi. hieu ((ve cham) OR (va cam)) ((luc van) OR (duc van)) hanh di cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty mang may hoi. hieu ((ve cham) or (va cam)) ((luc van) OR (duc van)) hanh di cua vat~".
• Adding a wildcard symbol may retrieve word variants: su sach ty mang may hoi. hieu ((ve cham) or (va cam)) ((luc van) OR (duc van)) hanh di cua vat*.