Perhaps you should try some spelling variations:
danh lai » danh sai, gianh lai, dinh lam
tu sach » thu sach, su sach, te sach
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
tu nang » tru nang, tu nano, tu lang
tu nong » tu dong, tu cong, tu tong
suc va » duc va, tuc va, luc va
va cao » va cac, va dao, va bao
x hoi » xa hoi, o hoi, x ho
va co » vo co

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

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