Perhaps you should try some spelling variations:
danh hai » dang hai, lanh hai, manh hai
tu sach » thu sach, su sach, te sach
hai cuu » hai cua, hai chu, hai cuc
duc van » duc va, duc tan, duc manh
xuc ban » duc ban, cuc ban, quoc ban
hieu va » lieu va, hieu qua
lang ha » long ha
lang xa » dang xay, lang van
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao

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 y ((lang xa) or (lang ha)) hoi. hieu va cam ((xuc ban) or (duc van)) danh hai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((lang xa) OR (lang ha)) hoi. hieu va cam ((xuc ban) OR (duc van)) danh hai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((lang xa) or (lang ha)) hoi. hieu va cam ((xuc ban) or (duc van)) danh hai cuu tre*.