Perhaps you should try some spelling variations:
thanh toan » thanh hoa, thanh san, tinh toan
thanh vai » thanh hai, thanh van, thanh tai
thien van » thi van
nam buoc » nam duoc, nam quoc, nam thuoc
buoc va » buoc vao, buoc via, nuoc va
sach ky » sach y, sach ty, sach kem
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
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 (sac ky)) nang x hoi. thien van nam buoc va ((thanh vai) or (thanh toan)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang x hoi. thien van nam buoc va ((thanh vai) OR (thanh toan)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang x hoi. thien van nam buoc va ((thanh vai) or (thanh toan)) cua tre*.