Perhaps you should try some spelling variations:
mai hoi » mai khoi, dai hoi, lai hoi
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
cao luc » bao luc, cao duc, cao suc
cua tre » cua te, cuu tre, cua triet
sach va » sach xa, sach ha, sach dao
ma hoi » xa hoi, ma hoa, me hoi
sach v » sach y, sach 2, sach vay
va cao » va cac, va co, va dao
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((sach v) OR (sach va)) nang ((ma hoi) or (mai hoi)). lieu va cao luc va danh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((sach v) OR (sach va)) nang ((ma hoi) OR (mai hoi)). lieu va cao luc va danh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((sach v) OR (sach va)) nang ((ma hoi) or (mai hoi)). lieu va cao luc va danh di cua tre".
• Adding a wildcard symbol may retrieve word variants: hoc ((sach v) OR (sach va)) nang ((ma hoi) or (mai hoi)). lieu va cao luc va danh di cua tre*.