Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
van bao » van dao
va hanh » van hanh, va thanh, va danh
cuc tre » duc tre, cua tre, cuu tre
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty hang xa hoi. hieu ((van ban) or (van bao)) xuc va hanh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty hang xa hoi. hieu ((van ban) OR (van bao)) xuc va hanh tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: so sach ty hang xa hoi. hieu ((van ban) or (van bao)) xuc va hanh tai cuc tre*.