Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thanh vai » thanh van, thanh tai, thanh oai
thu sach » tu sach, thuat sach, thuoc sach
tang mai » tang ma, tang tai, lang mai
cua tre » cua te, cuu tre, cua triet
cham lo » cham o, cham soc, cham hoi
hieu ve » hieu va, hieu van
mai hoi » mai khoi, dai hoi, lai hoi
sach 7 » sach y, sach 2
cam lo » nam lo, cam ly, cam o
7 tang » 6 tang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach 7 tang mai hoi. hieu ve ((cham lo) or (cam lo)) va ((thanh vai) or (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach 7 tang mai hoi. hieu ve ((cham lo) OR (cam lo)) va ((thanh vai) OR (thanh hai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach 7 tang mai hoi. hieu ve ((cham lo) or (cam lo)) va ((thanh vai) or (thanh hai)) cua tre*.