Perhaps you should try some spelling variations:
danh hai » dang hai, lanh hai, manh hai
kho tang » cao tang
tu cach » tu cac
duc ban » duc tan, dua ban, duc man
hai cua » thai cua, dai cua, hoi cua
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
tang xa » trang xa, tang ma, lang xa
te sach » toc sach
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 cach) or (te sach)) kho tang xa hoi. lieu va cam ((duc ban) or (duc van)) danh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) kho tang xa hoi. lieu va cam ((duc ban) OR (duc van)) danh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) kho tang xa hoi. lieu va cam ((duc ban) or (duc van)) danh hai cua tre*.