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

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 (va thanh)) dai ((dua tren) 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 (va thanh)) dai ((dua tren) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach tu lang xa hoi. hieu va cac xuc ((ban hanh) or (va thanh)) dai ((dua tren) or (cuu tre))*.