Perhaps you should try some spelling variations:
thanh than » thanh thanh, thanh thang, thanh toan
hieu van » hieu va, thien van, hieu ve
va thanh » gia thanh, ban thanh, va tinh
than cua » nhan cua, thai cua, ban cua
su sach » so sach, vu sach
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
xuc va » duc va, tuc va, luc 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 y lang xa hoi. ((hieu van) or (lieu va)) bac xuc va thanh than cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y lang xa hoi. ((hieu van) OR (lieu va)) bac xuc va thanh than cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach y lang xa hoi. ((hieu van) or (lieu va)) bac xuc va thanh than cua tre*.