Perhaps you should try some spelling variations:
sach ky » sach y, sach ty, sach kem
ban anh » ban hanh, ban banh, ban danh
xuc ban » duc ban, cuc ban, quoc ban
ve chat » va chat, van chat
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, vu cham, ve chim
sac ky » cac ky, sai ky
anh te » anh tu, anh ta, anh ve
te cua » tue cua, le cua, de cua
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. hieu ((ve cham) OR (ve chat)) xuc ban anh te cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang x hoi. hieu ((ve cham) OR (ve chat)) xuc ban anh te cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sac ky)) nang x hoi. hieu ((ve cham) OR (ve chat)) xuc ban anh te cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (sac ky)) nang x hoi. hieu ((ve cham) OR (ve chat)) xuc ban anh te cua tre*.