Perhaps you should try some spelling variations:
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
dau xac » dau xay, dan xac
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
v lang » va lang, o lang, _ lang
va dau » va dao
vi cua » vai cua, di 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 v lang xa hoi. hieu va dau xac ((ban hanh) or (van anh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v lang xa hoi. hieu va dau xac ((ban hanh) OR (van anh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach v lang xa hoi. hieu va dau xac ((ban hanh) or (van anh)) vi cua tre*.