Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
xuc ban » duc ban, cuc ban, quoc ban
hai hau » hai chau, dai hau, hai hai
hai cau » hai chau, hai chu, hoi cau
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh

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 ky dang xa hoi. ((hieu ve) or (lieu va)) cam xuc ban thanh ((hai cau) OR (hai hau)) treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang xa hoi. ((hieu ve) OR (lieu va)) cam xuc ban thanh ((hai cau) OR (hai hau)) treo*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky dang xa hoi. ((hieu ve) or (lieu va)) cam xuc ban thanh ((hai cau) OR (hai hau)) treo*".