Perhaps you should try some spelling variations:
ban thanh » ban hanh
sach thu » sach thue, sach thieu, sach tham
thu lang » thu hang, thu bang, phu lang
ban hang » ngan hang
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
cam tuc » cam tu, nam thuc, dam thuc
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: tu sach thu lang xa hoi. hieu qua ((cam tuc) OR (cam xuc)) ((ban thanh) or (ban hang)) le cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu lang xa hoi. hieu qua ((cam tuc) OR (cam xuc)) ((ban thanh) OR (ban hang)) le cua vat*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach thu lang xa hoi. hieu qua ((cam tuc) OR (cam xuc)) ((ban thanh) or (ban hang)) le cua vat*".