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
van cua » vang cua, ban cua, dan cua
luc tan » luc tai, duc tan, luc tam
bao luc » bao thuc
sach ky » sac ky, sach ty, sach kem
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
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 ky) OR (sach y)) 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 ky) OR (sach y)) 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 ky) OR (sach y)) nang x hoi. ((hieu ve) or (thien van)) bao luc tan thanh van cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sach y)) nang x hoi. ((hieu ve) or (thien van)) bao luc tan thanh van cua tre*.