Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thue lang » thu hang, thu bang, que lang
phu lang » phap lang, phu khang, phu luong
thanh le » thinh le, thanh ve, thanh de
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
te sach » toc sach
va cam » va cham, va cac, va cao
cam tu » cam thu, nam tu, dam tu
tu ban » thu ban, te ban
le cua » ly cua

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) or (te sach)) ((thue lang) or (phu lang)) xa hoi. hieu va cam tu ban thanh le cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ((thue lang) OR (phu lang)) xa hoi. hieu va cam tu ban thanh le cua vat.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ((thue lang) or (phu lang)) xa hoi. hieu va cam tu ban thanh le cua vat*.