Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
ban thanh » ban hanh, ban hang
sach thi » sach tai, sach thieu, sach tham
sach thu » sach thue, sach thieu, sach tham
hanh xa » hanh va, hanh ma, hanh xu
xuc ban » duc ban, cuc ban, quoc ban
hai hoa » thai hoa, dai hoa, lai hoa
ve 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 thi) or (sach thu)) hanh xa hoi. hieu ((ve cac) OR (va cac)) xuc ban thanh hai hoa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thi) OR (sach thu)) hanh xa hoi. hieu ((ve cac) OR (va cac)) xuc ban thanh hai hoa viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thi) or (sach thu)) hanh xa hoi. hieu ((ve cac) OR (va cac)) xuc ban thanh hai hoa viet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thi) or (sach thu)) hanh xa hoi. hieu ((ve cac) OR (va cac)) xuc ban thanh hai hoa viet*.