Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
ban thanh » ban hanh, ban hang
su triet » su viet, su tien, ve triet
sach thu » sach thue, sach thieu, sach tham
xuc ban » duc ban, cuc ban, quoc ban
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, vu cham
cong xa » cong xay, cong xua, cong ha
va cao » va cac, va co, va dao
ve cam » ve cac, va cam, ve cai
hai su » hai vu, lai su, hai so

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 cong xa hoi. hieu ((((ve cam) or (ve cham))) or (va cao)) xuc ban thanh hai su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu cong xa hoi. hieu ((((ve cam) OR (ve cham))) OR (va cao)) xuc ban thanh hai su triet.
• Adding a wildcard symbol may retrieve word variants: tu sach thu cong xa hoi. hieu ((((ve cam) or (ve cham))) or (va cao)) xuc ban thanh hai su triet*.