Perhaps you should try some spelling variations:
thanh hoa » thanh pho
ban thanh » ban hanh, ban hang
sach thu » sach thue, sach thieu, sach tham
tu sach » thu sach, su sach, te sach
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va
lang xa » lang ha, dang xay, lang van
xang xa » mang xa, ang xa, dang xay
xa viet » va viet, ca viet, da viet

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 ((xang xa) or (lang xa)) hoi. ((hieu va) OR (hieu qua)) cac xuc ban thanh hoa xa viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu ((xang xa) OR (lang xa)) hoi. ((hieu va) OR (hieu qua)) cac xuc ban thanh hoa xa viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thu ((xang xa) or (lang xa)) hoi. ((hieu va) OR (hieu qua)) cac xuc ban thanh hoa xa viet".
• Adding a wildcard symbol may retrieve word variants: tu sach thu ((xang xa) or (lang xa)) hoi. ((hieu va) OR (hieu qua)) cac xuc ban thanh hoa xa viet*.