Perhaps you should try some spelling variations:
thien van » thi van
thanh van » thanh san, thanh toan, thanh phan
tan thanh » tran thanh, tang thanh, toan thanh
tu sach » thu sach, su sach, te sach
van cua » vang cua, ban cua, dan cua
luc tan » luc tai, duc tan, luc tam
bao luc » bao thuc
hieu ve » hieu va, hieu van
ly nang » ky nang, ly hang, ly vang
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, v nang, may nang
x hoi » xa hoi, o hoi, x ho

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 ((y nang) OR (ly nang)) x hoi. ((hieu ve) or (thien van)) bao luc tan thanh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) x hoi. ((hieu ve) OR (thien van)) bao luc tan thanh van cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (ly nang)) x hoi. ((hieu ve) or (thien van)) bao luc tan thanh van cua tre*".