Perhaps you should try some spelling variations:
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
vai cua » dai cua, hai cua, lai cua
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
dang xa » dang xay, dang ha, dang va
ve cac » va cac, vien cac
cua te » cua tu

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 ky ((dang xa) OR (lang xa)) hoi. hieu ve cac xuc ((van ban) or (ban hanh)) vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((dang xa) OR (lang xa)) hoi. hieu ve cac xuc ((van ban) OR (ban hanh)) vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((dang xa) OR (lang xa)) hoi. hieu ve cac xuc ((van ban) or (ban hanh)) vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((dang xa) OR (lang xa)) hoi. hieu ve cac xuc ((van ban) or (ban hanh)) vai cua te*.