Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh dai » thanh hai, thanh tai, thanh dat
sach thu » sach thue, sach tham, cach thuc
cua viet » ca viet, hoa viet, cua vat
hanh xa » hanh va, hanh ma, hanh xu
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
ve cac » va cac, vien cac

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 thu) OR (sach thieu)) hanh xa hoi. hieu ve cac xuc ban thanh dai cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) OR (sach thieu)) hanh xa hoi. hieu ve cac xuc ban thanh dai cua viet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thu) OR (sach thieu)) hanh xa hoi. hieu ve cac xuc ban thanh dai cua viet*.