Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
ban thanh » ban hanh, ban hang
va triet » va thiet, va trien, ve triet
phan dau » phan tu, hang dau
xuc ban » duc ban, cuc ban, quoc ban
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
van dau » van dao
nang xa » lang xa, nang ma, mang xa
hai va » hai van, thai va, hoi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky ((nang xa) OR (nang x)) hoi. hieu ((van dau) or (phan dau)) xuc ban thanh hai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((nang xa) OR (nang x)) hoi. hieu ((van dau) OR (phan dau)) xuc ban thanh hai va triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((nang xa) OR (nang x)) hoi. hieu ((van dau) or (phan dau)) xuc ban thanh hai va triet*".