Perhaps you should try some spelling variations:
ban thanh » ban hang
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
sach tu » sach thu, cach tu, sach ty
tu lang » cu lang, tu lanh, xu lang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo

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 tu lang xa hoi. hieu va cac xuc ((ban hanh) or (ban thanh)) dai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu lang xa hoi. hieu va cac xuc ((ban hanh) OR (ban thanh)) dai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach tu lang xa hoi. hieu va cac xuc ((ban hanh) or (ban thanh)) dai ((cua tre) or (cuu tre))*.