Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
lang dai » lang hai, lang mai, lang chai
hieu van » hieu va, thien van, lieu va
thanh di » thanh doi, thanh de, thanh do
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
cua duc » cua tuc, cua nuoc, cua quoc
di cua » dai cua, doi cua, de cua

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 dai) or (nang ma)) hoi. hieu van cam xuc ban thanh di cua duc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((lang dai) OR (nang ma)) hoi. hieu van cam xuc ban thanh di cua duc*.