Perhaps you should try some spelling variations:
thien van » thi van
duoc van » duc van, duoc ban, duoc dan
danh doi » danh di, thanh doi, dung doi
tu sach » thu sach, su sach, te sach
duoc va » nuoc va, duc va, duoc ma
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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: tu sach y nang x hoi. ((thien van) OR (lieu va)) lam ((duoc van) OR (duoc va)) danh doi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang x hoi. ((thien van) or (lieu va)) lam ((duoc van) OR (duoc va)) danh doi cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. ((thien van) or (lieu va)) lam ((duoc van) OR (duoc va)) danh doi cua tre*.